Home / 57,503,279.65-86,281,854.81-28,341,221.33

Finding the Fourth Proportional to 57,503,279.65, 86,281,854.81 and 28,341,221.33

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Solution

The fourth proportional to 57,503,279.65, 86,281,854.81 and 28,341,221.33 is: 42,525,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,503,279.65 : 86,281,854.81 = 28,341,221.33 : x
  2. Step 2: Convert to fraction form
    57,503,279.65/86,281,854.81 = 28,341,221.33/x
  3. Step 3: Cross multiply
    57,503,279.65x = 86,281,854.81 × 28,341,221.33
  4. Step 4: Simplify right side
    57,503,279.65x = 2,445,333,144,148,840
  5. Step 5: Solve for x
    x = 2,445,333,144,148,840/57,503,279.65
  6. Step 6: Final answer
    x = 42,525,107.42

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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.