Home / 52,152,340.80-78,239,008.80-43,691,275.20

Finding the Fourth Proportional to 52,152,340.80, 78,239,008.80 and 43,691,275.20

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Solution

The fourth proportional to 52,152,340.80, 78,239,008.80 and 43,691,275.20 is: 65,545,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,340.80 : 78,239,008.80 = 43,691,275.20 : x
  2. Step 2: Convert to fraction form
    52,152,340.80/78,239,008.80 = 43,691,275.20/x
  3. Step 3: Cross multiply
    52,152,340.80x = 78,239,008.80 × 43,691,275.20
  4. Step 4: Simplify right side
    52,152,340.80x = 3,418,362,064,856,022
  5. Step 5: Solve for x
    x = 3,418,362,064,856,022/52,152,340.80
  6. Step 6: Final answer
    x = 65,545,707.30

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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.