Home / 61,545,142.10-92,326,007.55-21,168,002.90

Finding the Fourth Proportional to 61,545,142.10, 92,326,007.55 and 21,168,002.90

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Solution

The fourth proportional to 61,545,142.10, 92,326,007.55 and 21,168,002.90 is: 31,754,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545,142.10 : 92,326,007.55 = 21,168,002.90 : x
  2. Step 2: Convert to fraction form
    61,545,142.10/92,326,007.55 = 21,168,002.90/x
  3. Step 3: Cross multiply
    61,545,142.10x = 92,326,007.55 × 21,168,002.90
  4. Step 4: Simplify right side
    61,545,142.10x = 1,954,357,195,563,821.75
  5. Step 5: Solve for x
    x = 1,954,357,195,563,821.75/61,545,142.10
  6. Step 6: Final answer
    x = 31,754,857.15

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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.