Home / 142,451,542.86-212,479,634.58-129,374,108.45

Finding the Fourth Proportional to 142,451,542.86, 212,479,634.58 and 129,374,108.45

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Solution

The fourth proportional to 142,451,542.86, 212,479,634.58 and 129,374,108.45 is: 192,973,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,451,542.86 : 212,479,634.58 = 129,374,108.45 : x
  2. Step 2: Convert to fraction form
    142,451,542.86/212,479,634.58 = 129,374,108.45/x
  3. Step 3: Cross multiply
    142,451,542.86x = 212,479,634.58 × 129,374,108.45
  4. Step 4: Simplify right side
    142,451,542.86x = 27,489,363,286,506,892
  5. Step 5: Solve for x
    x = 27,489,363,286,506,892/142,451,542.86
  6. Step 6: Final answer
    x = 192,973,433.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.