Home / 135,486,462.48-186,957,827.52-76,737,402.24

Finding the Fourth Proportional to 135,486,462.48, 186,957,827.52 and 76,737,402.24

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Solution

The fourth proportional to 135,486,462.48, 186,957,827.52 and 76,737,402.24 is: 105,889,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,486,462.48 : 186,957,827.52 = 76,737,402.24 : x
  2. Step 2: Convert to fraction form
    135,486,462.48/186,957,827.52 = 76,737,402.24/x
  3. Step 3: Cross multiply
    135,486,462.48x = 186,957,827.52 × 76,737,402.24
  4. Step 4: Simplify right side
    135,486,462.48x = 14,346,658,012,318,782
  5. Step 5: Solve for x
    x = 14,346,658,012,318,782/135,486,462.48
  6. Step 6: Final answer
    x = 105,889,974.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.