Home / 61,218,583.77-84,487,612.85-45,721,764.21

Finding the Fourth Proportional to 61,218,583.77, 84,487,612.85 and 45,721,764.21

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Solution

The fourth proportional to 61,218,583.77, 84,487,612.85 and 45,721,764.21 is: 63,100,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,218,583.77 : 84,487,612.85 = 45,721,764.21 : x
  2. Step 2: Convert to fraction form
    61,218,583.77/84,487,612.85 = 45,721,764.21/x
  3. Step 3: Cross multiply
    61,218,583.77x = 84,487,612.85 × 45,721,764.21
  4. Step 4: Simplify right side
    61,218,583.77x = 3,862,922,713,393,466
  5. Step 5: Solve for x
    x = 3,862,922,713,393,466/61,218,583.77
  6. Step 6: Final answer
    x = 63,100,491.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.