Home / 118,573,266.70-177,859,900.05-77,889,817.90

Finding the Fourth Proportional to 118,573,266.70, 177,859,900.05 and 77,889,817.90

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Solution

The fourth proportional to 118,573,266.70, 177,859,900.05 and 77,889,817.90 is: 116,834,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,573,266.70 : 177,859,900.05 = 77,889,817.90 : x
  2. Step 2: Convert to fraction form
    118,573,266.70/177,859,900.05 = 77,889,817.90/x
  3. Step 3: Cross multiply
    118,573,266.70x = 177,859,900.05 × 77,889,817.90
  4. Step 4: Simplify right side
    118,573,266.70x = 13,853,475,226,606,702
  5. Step 5: Solve for x
    x = 13,853,475,226,606,702/118,573,266.70
  6. Step 6: Final answer
    x = 116,834,726.85

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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.