Home / 177,039,007.20-265,558,510.80-86,339,743.20

Finding the Fourth Proportional to 177,039,007.20, 265,558,510.80 and 86,339,743.20

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Solution

The fourth proportional to 177,039,007.20, 265,558,510.80 and 86,339,743.20 is: 129,509,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,039,007.20 : 265,558,510.80 = 86,339,743.20 : x
  2. Step 2: Convert to fraction form
    177,039,007.20/265,558,510.80 = 86,339,743.20/x
  3. Step 3: Cross multiply
    177,039,007.20x = 265,558,510.80 × 86,339,743.20
  4. Step 4: Simplify right side
    177,039,007.20x = 22,928,253,627,046,428
  5. Step 5: Solve for x
    x = 22,928,253,627,046,428/177,039,007.20
  6. Step 6: Final answer
    x = 129,509,614.80

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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.