Home / 77,213,363.26-115,819,951.95-19,705,640.58

Finding the Fourth Proportional to 77,213,363.26, 115,819,951.95 and 19,705,640.58

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Solution

The fourth proportional to 77,213,363.26, 115,819,951.95 and 19,705,640.58 is: 29,558,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213,363.26 : 115,819,951.95 = 19,705,640.58 : x
  2. Step 2: Convert to fraction form
    77,213,363.26/115,819,951.95 = 19,705,640.58/x
  3. Step 3: Cross multiply
    77,213,363.26x = 115,819,951.95 × 19,705,640.58
  4. Step 4: Simplify right side
    77,213,363.26x = 2,282,306,344,756,124.50
  5. Step 5: Solve for x
    x = 2,282,306,344,756,124.50/77,213,363.26
  6. Step 6: Final answer
    x = 29,558,437.15

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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.