Home / 85,445,918.10-128,172,376.35-24,861,644.10

Finding the Fourth Proportional to 85,445,918.10, 128,172,376.35 and 24,861,644.10

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Solution

The fourth proportional to 85,445,918.10, 128,172,376.35 and 24,861,644.10 is: 37,293,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,445,918.10 : 128,172,376.35 = 24,861,644.10 : x
  2. Step 2: Convert to fraction form
    85,445,918.10/128,172,376.35 = 24,861,644.10/x
  3. Step 3: Cross multiply
    85,445,918.10x = 128,172,376.35 × 24,861,644.10
  4. Step 4: Simplify right side
    85,445,918.10x = 3,186,576,004,264,957
  5. Step 5: Solve for x
    x = 3,186,576,004,264,957/85,445,918.10
  6. Step 6: Final answer
    x = 37,293,484.29

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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.