Home / 92,670,272.80-139,071,764.40-38,856,205.60

Finding the Fourth Proportional to 92,670,272.80, 139,071,764.40 and 38,856,205.60

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Solution

The fourth proportional to 92,670,272.80, 139,071,764.40 and 38,856,205.60 is: 58,312,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670,272.80 : 139,071,764.40 = 38,856,205.60 : x
  2. Step 2: Convert to fraction form
    92,670,272.80/139,071,764.40 = 38,856,205.60/x
  3. Step 3: Cross multiply
    92,670,272.80x = 139,071,764.40 × 38,856,205.60
  4. Step 4: Simplify right side
    92,670,272.80x = 5,403,801,070,681,161
  5. Step 5: Solve for x
    x = 5,403,801,070,681,161/92,670,272.80
  6. Step 6: Final answer
    x = 58,312,130.82

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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.