Home / 89,048,220.40-133,572,330.60-80,120,011.60

Finding the Fourth Proportional to 89,048,220.40, 133,572,330.60 and 80,120,011.60

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Solution

The fourth proportional to 89,048,220.40, 133,572,330.60 and 80,120,011.60 is: 120,180,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048,220.40 : 133,572,330.60 = 80,120,011.60 : x
  2. Step 2: Convert to fraction form
    89,048,220.40/133,572,330.60 = 80,120,011.60/x
  3. Step 3: Cross multiply
    89,048,220.40x = 133,572,330.60 × 80,120,011.60
  4. Step 4: Simplify right side
    89,048,220.40x = 10,701,816,677,111,034
  5. Step 5: Solve for x
    x = 10,701,816,677,111,034/89,048,220.40
  6. Step 6: Final answer
    x = 120,180,017.40

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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.