Home / 89,282,088,147.60-133,923,132,221.40-80,190,620,672.40

Finding the Fourth Proportional to 89,282,088,147.60, 133,923,132,221.40 and 80,190,620,672.40

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Solution

The fourth proportional to 89,282,088,147.60, 133,923,132,221.40 and 80,190,620,672.40 is: 120,285,931,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,282,088,147.60 : 133,923,132,221.40 = 80,190,620,672.40 : x
  2. Step 2: Convert to fraction form
    89,282,088,147.60/133,923,132,221.40 = 80,190,620,672.40/x
  3. Step 3: Cross multiply
    89,282,088,147.60x = 133,923,132,221.40 × 80,190,620,672.40
  4. Step 4: Simplify right side
    89,282,088,147.60x = 10,739,379,095,225,956,827,136
  5. Step 5: Solve for x
    x = 10,739,379,095,225,956,827,136/89,282,088,147.60
  6. Step 6: Final answer
    x = 120,285,931,008.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.