Home / 89,153,999.10-133,730,998.65-74,805,092.10

Finding the Fourth Proportional to 89,153,999.10, 133,730,998.65 and 74,805,092.10

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Solution

The fourth proportional to 89,153,999.10, 133,730,998.65 and 74,805,092.10 is: 112,207,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153,999.10 : 133,730,998.65 = 74,805,092.10 : x
  2. Step 2: Convert to fraction form
    89,153,999.10/133,730,998.65 = 74,805,092.10/x
  3. Step 3: Cross multiply
    89,153,999.10x = 133,730,998.65 × 74,805,092.10
  4. Step 4: Simplify right side
    89,153,999.10x = 10,003,759,670,638,226
  5. Step 5: Solve for x
    x = 10,003,759,670,638,226/89,153,999.10
  6. Step 6: Final answer
    x = 112,207,638.15

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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.