Home / 99,484,772.76-137,289,271.14-57,676,966.20

Finding the Fourth Proportional to 99,484,772.76, 137,289,271.14 and 57,676,966.20

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Solution

The fourth proportional to 99,484,772.76, 137,289,271.14 and 57,676,966.20 is: 79,594,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,484,772.76 : 137,289,271.14 = 57,676,966.20 : x
  2. Step 2: Convert to fraction form
    99,484,772.76/137,289,271.14 = 57,676,966.20/x
  3. Step 3: Cross multiply
    99,484,772.76x = 137,289,271.14 × 57,676,966.20
  4. Step 4: Simplify right side
    99,484,772.76x = 7,918,428,651,164,415
  5. Step 5: Solve for x
    x = 7,918,428,651,164,415/99,484,772.76
  6. Step 6: Final answer
    x = 79,594,378.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.