Home / 177,039,011.70-265,558,517.55-86,339,747.70

Finding the Fourth Proportional to 177,039,011.70, 265,558,517.55 and 86,339,747.70

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Solution

The fourth proportional to 177,039,011.70, 265,558,517.55 and 86,339,747.70 is: 129,509,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,039,011.70 : 265,558,517.55 = 86,339,747.70 : x
  2. Step 2: Convert to fraction form
    177,039,011.70/265,558,517.55 = 86,339,747.70/x
  3. Step 3: Cross multiply
    177,039,011.70x = 265,558,517.55 × 86,339,747.70
  4. Step 4: Simplify right side
    177,039,011.70x = 22,928,255,404,853,024
  5. Step 5: Solve for x
    x = 22,928,255,404,853,024/177,039,011.70
  6. Step 6: Final answer
    x = 129,509,621.55

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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.