Home / 218,850,263.15-302,020,522.38-119,728,711.08

Finding the Fourth Proportional to 218,850,263.15, 302,020,522.38 and 119,728,711.08

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Solution

The fourth proportional to 218,850,263.15, 302,020,522.38 and 119,728,711.08 is: 165,229,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,850,263.15 : 302,020,522.38 = 119,728,711.08 : x
  2. Step 2: Convert to fraction form
    218,850,263.15/302,020,522.38 = 119,728,711.08/x
  3. Step 3: Cross multiply
    218,850,263.15x = 302,020,522.38 × 119,728,711.08
  4. Step 4: Simplify right side
    218,850,263.15x = 36,160,527,864,265,696
  5. Step 5: Solve for x
    x = 36,160,527,864,265,696/218,850,263.15
  6. Step 6: Final answer
    x = 165,229,537.97

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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.