Home / 63,570,078-87,721,337.88-38,461,542.21

Finding the Fourth Proportional to 63,570,078, 87,721,337.88 and 38,461,542.21

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Solution

The fourth proportional to 63,570,078, 87,721,337.88 and 38,461,542.21 is: 53,073,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570,078 : 87,721,337.88 = 38,461,542.21 : x
  2. Step 2: Convert to fraction form
    63,570,078/87,721,337.88 = 38,461,542.21/x
  3. Step 3: Cross multiply
    63,570,078x = 87,721,337.88 × 38,461,542.21
  4. Step 4: Simplify right side
    63,570,078x = 3,373,897,939,589,292
  5. Step 5: Solve for x
    x = 3,373,897,939,589,292/63,570,078
  6. Step 6: Final answer
    x = 53,073,679.41

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1.5x scale

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.