Home / 143,932,117.90-215,898,176.85-82,710,114.70

Finding the Fourth Proportional to 143,932,117.90, 215,898,176.85 and 82,710,114.70

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Solution

The fourth proportional to 143,932,117.90, 215,898,176.85 and 82,710,114.70 is: 124,065,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932,117.90 : 215,898,176.85 = 82,710,114.70 : x
  2. Step 2: Convert to fraction form
    143,932,117.90/215,898,176.85 = 82,710,114.70/x
  3. Step 3: Cross multiply
    143,932,117.90x = 215,898,176.85 × 82,710,114.70
  4. Step 4: Simplify right side
    143,932,117.90x = 17,856,962,970,784,384
  5. Step 5: Solve for x
    x = 17,856,962,970,784,384/143,932,117.90
  6. Step 6: Final answer
    x = 124,065,172.05

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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.