Home / 218,850,156.59-302,020,375.63-119,728,604.55

Finding the Fourth Proportional to 218,850,156.59, 302,020,375.63 and 119,728,604.55

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Solution

The fourth proportional to 218,850,156.59, 302,020,375.63 and 119,728,604.55 is: 165,229,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,850,156.59 : 302,020,375.63 = 119,728,604.55 : x
  2. Step 2: Convert to fraction form
    218,850,156.59/302,020,375.63 = 119,728,604.55/x
  3. Step 3: Cross multiply
    218,850,156.59x = 302,020,375.63 × 119,728,604.55
  4. Step 4: Simplify right side
    218,850,156.59x = 36,160,478,119,547,408
  5. Step 5: Solve for x
    x = 36,160,478,119,547,408/218,850,156.59
  6. Step 6: Final answer
    x = 165,229,391.12

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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.