Home / 123,785,935.20-185,877,190.80-98,437,730.40

Finding the Fourth Proportional to 123,785,935.20, 185,877,190.80 and 98,437,730.40

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Solution

The fourth proportional to 123,785,935.20, 185,877,190.80 and 98,437,730.40 is: 147,814,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,785,935.20 : 185,877,190.80 = 98,437,730.40 : x
  2. Step 2: Convert to fraction form
    123,785,935.20/185,877,190.80 = 98,437,730.40/x
  3. Step 3: Cross multiply
    123,785,935.20x = 185,877,190.80 × 98,437,730.40
  4. Step 4: Simplify right side
    123,785,935.20x = 18,297,328,795,479,764
  5. Step 5: Solve for x
    x = 18,297,328,795,479,764/123,785,935.20
  6. Step 6: Final answer
    x = 147,814,279.27

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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.