Home / 143,932,114.90-215,898,172.35-82,710,111.70

Finding the Fourth Proportional to 143,932,114.90, 215,898,172.35 and 82,710,111.70

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Solution

The fourth proportional to 143,932,114.90, 215,898,172.35 and 82,710,111.70 is: 124,065,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932,114.90 : 215,898,172.35 = 82,710,111.70 : x
  2. Step 2: Convert to fraction form
    143,932,114.90/215,898,172.35 = 82,710,111.70/x
  3. Step 3: Cross multiply
    143,932,114.90x = 215,898,172.35 × 82,710,111.70
  4. Step 4: Simplify right side
    143,932,114.90x = 17,856,961,950,894,352
  5. Step 5: Solve for x
    x = 17,856,961,950,894,352/143,932,114.90
  6. Step 6: Final answer
    x = 124,065,167.55

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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.