Home / 89,153,998.10-133,730,997.15-74,805,091.10

Finding the Fourth Proportional to 89,153,998.10, 133,730,997.15 and 74,805,091.10

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Solution

The fourth proportional to 89,153,998.10, 133,730,997.15 and 74,805,091.10 is: 112,207,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153,998.10 : 133,730,997.15 = 74,805,091.10 : x
  2. Step 2: Convert to fraction form
    89,153,998.10/133,730,997.15 = 74,805,091.10/x
  3. Step 3: Cross multiply
    89,153,998.10x = 133,730,997.15 × 74,805,091.10
  4. Step 4: Simplify right side
    89,153,998.10x = 10,003,759,424,699,590
  5. Step 5: Solve for x
    x = 10,003,759,424,699,590/89,153,998.10
  6. Step 6: Final answer
    x = 112,207,636.65

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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.