Home / 80,660,333,123.08-120,988,838,211.96-26,881,374,178.18

Finding the Fourth Proportional to 80,660,333,123.08, 120,988,838,211.96 and 26,881,374,178.18

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Solution

The fourth proportional to 80,660,333,123.08, 120,988,838,211.96 and 26,881,374,178.18 is: 40,321,507,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660,333,123.08 : 120,988,838,211.96 = 26,881,374,178.18 : x
  2. Step 2: Convert to fraction form
    80,660,333,123.08/120,988,838,211.96 = 26,881,374,178.18/x
  3. Step 3: Cross multiply
    80,660,333,123.08x = 120,988,838,211.96 × 26,881,374,178.18
  4. Step 4: Simplify right side
    80,660,333,123.08x = 3,252,346,231,358,979,309,568
  5. Step 5: Solve for x
    x = 3,252,346,231,358,979,309,568/80,660,333,123.08
  6. Step 6: Final answer
    x = 40,321,507,554.35

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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.