Home / 124,020,926.32-185,906,333.76-77,995,687.36

Finding the Fourth Proportional to 124,020,926.32, 185,906,333.76 and 77,995,687.36

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Solution

The fourth proportional to 124,020,926.32, 185,906,333.76 and 77,995,687.36 is: 116,914,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020,926.32 : 185,906,333.76 = 77,995,687.36 : x
  2. Step 2: Convert to fraction form
    124,020,926.32/185,906,333.76 = 77,995,687.36/x
  3. Step 3: Cross multiply
    124,020,926.32x = 185,906,333.76 × 77,995,687.36
  4. Step 4: Simplify right side
    124,020,926.32x = 14,499,892,286,188,772
  5. Step 5: Solve for x
    x = 14,499,892,286,188,772/124,020,926.32
  6. Step 6: Final answer
    x = 116,914,884.58

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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.