Home / 52,152,325.80-78,238,986.30-43,691,260.20

Finding the Fourth Proportional to 52,152,325.80, 78,238,986.30 and 43,691,260.20

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Solution

The fourth proportional to 52,152,325.80, 78,238,986.30 and 43,691,260.20 is: 65,545,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,325.80 : 78,238,986.30 = 43,691,260.20 : x
  2. Step 2: Convert to fraction form
    52,152,325.80/78,238,986.30 = 43,691,260.20/x
  3. Step 3: Cross multiply
    52,152,325.80x = 78,238,986.30 × 43,691,260.20
  4. Step 4: Simplify right side
    52,152,325.80x = 3,418,359,908,217,535.50
  5. Step 5: Solve for x
    x = 3,418,359,908,217,535.50/52,152,325.80
  6. Step 6: Final answer
    x = 65,545,684.80

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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.