Home / 225,730,008.75-338,513,781.01-78,137,466.89

Finding the Fourth Proportional to 225,730,008.75, 338,513,781.01 and 78,137,466.89

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Solution

The fourth proportional to 225,730,008.75, 338,513,781.01 and 78,137,466.89 is: 117,178,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,730,008.75 : 338,513,781.01 = 78,137,466.89 : x
  2. Step 2: Convert to fraction form
    225,730,008.75/338,513,781.01 = 78,137,466.89/x
  3. Step 3: Cross multiply
    225,730,008.75x = 338,513,781.01 × 78,137,466.89
  4. Step 4: Simplify right side
    225,730,008.75x = 26,450,609,355,477,584
  5. Step 5: Solve for x
    x = 26,450,609,355,477,584/225,730,008.75
  6. Step 6: Final answer
    x = 117,178,081.47

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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.