Home / 89,039,892.60-133,559,838.90-66,081,641.40

Finding the Fourth Proportional to 89,039,892.60, 133,559,838.90 and 66,081,641.40

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Solution

The fourth proportional to 89,039,892.60, 133,559,838.90 and 66,081,641.40 is: 99,122,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039,892.60 : 133,559,838.90 = 66,081,641.40 : x
  2. Step 2: Convert to fraction form
    89,039,892.60/133,559,838.90 = 66,081,641.40/x
  3. Step 3: Cross multiply
    89,039,892.60x = 133,559,838.90 × 66,081,641.40
  4. Step 4: Simplify right side
    89,039,892.60x = 8,825,853,379,631,571
  5. Step 5: Solve for x
    x = 8,825,853,379,631,571/89,039,892.60
  6. Step 6: Final answer
    x = 99,122,462.10

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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.