Home / 118,218,572.80-177,029,260.80-77,609,190.40

Finding the Fourth Proportional to 118,218,572.80, 177,029,260.80 and 77,609,190.40

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Solution

The fourth proportional to 118,218,572.80, 177,029,260.80 and 77,609,190.40 is: 116,217,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,218,572.80 : 177,029,260.80 = 77,609,190.40 : x
  2. Step 2: Convert to fraction form
    118,218,572.80/177,029,260.80 = 77,609,190.40/x
  3. Step 3: Cross multiply
    118,218,572.80x = 177,029,260.80 × 77,609,190.40
  4. Step 4: Simplify right side
    118,218,572.80x = 13,739,097,607,798,458
  5. Step 5: Solve for x
    x = 13,739,097,607,798,458/118,218,572.80
  6. Step 6: Final answer
    x = 116,217,759.04

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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.