Home / 143,514,830.40-215,097,355.95-74,389,524.53

Finding the Fourth Proportional to 143,514,830.40, 215,097,355.95 and 74,389,524.53

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Solution

The fourth proportional to 143,514,830.40, 215,097,355.95 and 74,389,524.53 is: 111,493,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,830.40 : 215,097,355.95 = 74,389,524.53 : x
  2. Step 2: Convert to fraction form
    143,514,830.40/215,097,355.95 = 74,389,524.53/x
  3. Step 3: Cross multiply
    143,514,830.40x = 215,097,355.95 × 74,389,524.53
  4. Step 4: Simplify right side
    143,514,830.40x = 16,000,990,035,705,180
  5. Step 5: Solve for x
    x = 16,000,990,035,705,180/143,514,830.40
  6. Step 6: Final answer
    x = 111,493,634.43

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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.