Home / 67,790,407.86-101,695,192.02-21,721,505.58

Finding the Fourth Proportional to 67,790,407.86, 101,695,192.02 and 21,721,505.58

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Solution

The fourth proportional to 67,790,407.86, 101,695,192.02 and 21,721,505.58 is: 32,585,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790,407.86 : 101,695,192.02 = 21,721,505.58 : x
  2. Step 2: Convert to fraction form
    67,790,407.86/101,695,192.02 = 21,721,505.58/x
  3. Step 3: Cross multiply
    67,790,407.86x = 101,695,192.02 × 21,721,505.58
  4. Step 4: Simplify right side
    67,790,407.86x = 2,208,972,680,921,601.25
  5. Step 5: Solve for x
    x = 2,208,972,680,921,601.25/67,790,407.86
  6. Step 6: Final answer
    x = 32,585,328.08

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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.