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Finding the Fourth Proportional to 57,503,281.02, 86,281,856.88 and 28,341,222.71

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Solution

The fourth proportional to 57,503,281.02, 86,281,856.88 and 28,341,222.71 is: 42,525,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,503,281.02 : 86,281,856.88 = 28,341,222.71 : x
  2. Step 2: Convert to fraction form
    57,503,281.02/86,281,856.88 = 28,341,222.71/x
  3. Step 3: Cross multiply
    57,503,281.02x = 86,281,856.88 × 28,341,222.71
  4. Step 4: Simplify right side
    57,503,281.02x = 2,445,333,321,237,016
  5. Step 5: Solve for x
    x = 2,445,333,321,237,016/57,503,281.02
  6. Step 6: Final answer
    x = 42,525,109.49

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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.