Home / 225,730,002.55-338,513,771.72-78,137,460.69

Finding the Fourth Proportional to 225,730,002.55, 338,513,771.72 and 78,137,460.69

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Solution

The fourth proportional to 225,730,002.55, 338,513,771.72 and 78,137,460.69 is: 117,178,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,730,002.55 : 338,513,771.72 = 78,137,460.69 : x
  2. Step 2: Convert to fraction form
    225,730,002.55/338,513,771.72 = 78,137,460.69/x
  3. Step 3: Cross multiply
    225,730,002.55x = 338,513,771.72 × 78,137,460.69
  4. Step 4: Simplify right side
    225,730,002.55x = 26,450,606,530,966,060
  5. Step 5: Solve for x
    x = 26,450,606,530,966,060/225,730,002.55
  6. Step 6: Final answer
    x = 117,178,072.18

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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.