Home / 57,308,761.60-85,963,142.40-28,610,947.60

Finding the Fourth Proportional to 57,308,761.60, 85,963,142.40 and 28,610,947.60

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Solution

The fourth proportional to 57,308,761.60, 85,963,142.40 and 28,610,947.60 is: 42,916,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308,761.60 : 85,963,142.40 = 28,610,947.60 : x
  2. Step 2: Convert to fraction form
    57,308,761.60/85,963,142.40 = 28,610,947.60/x
  3. Step 3: Cross multiply
    57,308,761.60x = 85,963,142.40 × 28,610,947.60
  4. Step 4: Simplify right side
    57,308,761.60x = 2,459,486,962,737,738.50
  5. Step 5: Solve for x
    x = 2,459,486,962,737,738.50/57,308,761.60
  6. Step 6: Final answer
    x = 42,916,421.40

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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.