Home / 72,064,989.26-99,449,781.08-39,025,295.36

Finding the Fourth Proportional to 72,064,989.26, 99,449,781.08 and 39,025,295.36

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Solution

The fourth proportional to 72,064,989.26, 99,449,781.08 and 39,025,295.36 is: 53,854,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,064,989.26 : 99,449,781.08 = 39,025,295.36 : x
  2. Step 2: Convert to fraction form
    72,064,989.26/99,449,781.08 = 39,025,295.36/x
  3. Step 3: Cross multiply
    72,064,989.26x = 99,449,781.08 × 39,025,295.36
  4. Step 4: Simplify right side
    72,064,989.26x = 3,881,057,079,441,964
  5. Step 5: Solve for x
    x = 3,881,057,079,441,964/72,064,989.26
  6. Step 6: Final answer
    x = 53,854,959.52

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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.