Home / 73,985,221.28-102,032,172.24-63,527,987.36

Finding the Fourth Proportional to 73,985,221.28, 102,032,172.24 and 63,527,987.36

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Solution

The fourth proportional to 73,985,221.28, 102,032,172.24 and 63,527,987.36 is: 87,610,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985,221.28 : 102,032,172.24 = 63,527,987.36 : x
  2. Step 2: Convert to fraction form
    73,985,221.28/102,032,172.24 = 63,527,987.36/x
  3. Step 3: Cross multiply
    73,985,221.28x = 102,032,172.24 × 63,527,987.36
  4. Step 4: Simplify right side
    73,985,221.28x = 6,481,898,548,376,062
  5. Step 5: Solve for x
    x = 6,481,898,548,376,062/73,985,221.28
  6. Step 6: Final answer
    x = 87,610,720.58

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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.