Home / 63,570,079-87,721,339.26-38,461,543.21

Finding the Fourth Proportional to 63,570,079, 87,721,339.26 and 38,461,543.21

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Solution

The fourth proportional to 63,570,079, 87,721,339.26 and 38,461,543.21 is: 53,073,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570,079 : 87,721,339.26 = 38,461,543.21 : x
  2. Step 2: Convert to fraction form
    63,570,079/87,721,339.26 = 38,461,543.21/x
  3. Step 3: Cross multiply
    63,570,079x = 87,721,339.26 × 38,461,543.21
  4. Step 4: Simplify right side
    63,570,079x = 3,373,898,080,387,559.50
  5. Step 5: Solve for x
    x = 3,373,898,080,387,559.50/63,570,079
  6. Step 6: Final answer
    x = 53,073,680.79

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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.