Home / 125,920,290.41-188,737,157.95-76,627,426.40

Finding the Fourth Proportional to 125,920,290.41, 188,737,157.95 and 76,627,426.40

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Solution

The fourth proportional to 125,920,290.41, 188,737,157.95 and 76,627,426.40 is: 114,853,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920,290.41 : 188,737,157.95 = 76,627,426.40 : x
  2. Step 2: Convert to fraction form
    125,920,290.41/188,737,157.95 = 76,627,426.40/x
  3. Step 3: Cross multiply
    125,920,290.41x = 188,737,157.95 × 76,627,426.40
  4. Step 4: Simplify right side
    125,920,290.41x = 14,462,442,679,758,800
  5. Step 5: Solve for x
    x = 14,462,442,679,758,800/125,920,290.41
  6. Step 6: Final answer
    x = 114,853,949.53

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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.