Home / 89,282,088,278.60-133,923,132,417.90-80,448,901,129.40

Finding the Fourth Proportional to 89,282,088,278.60, 133,923,132,417.90 and 80,448,901,129.40

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Solution

The fourth proportional to 89,282,088,278.60, 133,923,132,417.90 and 80,448,901,129.40 is: 120,673,351,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,282,088,278.60 : 133,923,132,417.90 = 80,448,901,129.40 : x
  2. Step 2: Convert to fraction form
    89,282,088,278.60/133,923,132,417.90 = 80,448,901,129.40/x
  3. Step 3: Cross multiply
    89,282,088,278.60x = 133,923,132,417.90 × 80,448,901,129.40
  4. Step 4: Simplify right side
    89,282,088,278.60x = 10,773,968,838,827,180,032,000
  5. Step 5: Solve for x
    x = 10,773,968,838,827,180,032,000/89,282,088,278.60
  6. Step 6: Final answer
    x = 120,673,351,694.10

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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.