Home / 125,920,289.41-188,737,156.45-76,627,425.40

Finding the Fourth Proportional to 125,920,289.41, 188,737,156.45 and 76,627,425.40

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Solution

The fourth proportional to 125,920,289.41, 188,737,156.45 and 76,627,425.40 is: 114,853,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920,289.41 : 188,737,156.45 = 76,627,425.40 : x
  2. Step 2: Convert to fraction form
    125,920,289.41/188,737,156.45 = 76,627,425.40/x
  3. Step 3: Cross multiply
    125,920,289.41x = 188,737,156.45 × 76,627,425.40
  4. Step 4: Simplify right side
    125,920,289.41x = 14,462,442,375,417,090
  5. Step 5: Solve for x
    x = 14,462,442,375,417,090/125,920,289.41
  6. Step 6: Final answer
    x = 114,853,948.03

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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.