Home / 218,302,463.32-301,393,381.99-138,962,307.83

Finding the Fourth Proportional to 218,302,463.32, 301,393,381.99 and 138,962,307.83

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Solution

The fourth proportional to 218,302,463.32, 301,393,381.99 and 138,962,307.83 is: 191,854,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,302,463.32 : 301,393,381.99 = 138,962,307.83 : x
  2. Step 2: Convert to fraction form
    218,302,463.32/301,393,381.99 = 138,962,307.83/x
  3. Step 3: Cross multiply
    218,302,463.32x = 301,393,381.99 × 138,962,307.83
  4. Step 4: Simplify right side
    218,302,463.32x = 41,882,319,925,613,080
  5. Step 5: Solve for x
    x = 41,882,319,925,613,080/218,302,463.32
  6. Step 6: Final answer
    x = 191,854,545.70

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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.