Home / 48,046,761.76-72,070,142.64-12,144,969.76

Finding the Fourth Proportional to 48,046,761.76, 72,070,142.64 and 12,144,969.76

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Solution

The fourth proportional to 48,046,761.76, 72,070,142.64 and 12,144,969.76 is: 18,217,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046,761.76 : 72,070,142.64 = 12,144,969.76 : x
  2. Step 2: Convert to fraction form
    48,046,761.76/72,070,142.64 = 12,144,969.76/x
  3. Step 3: Cross multiply
    48,046,761.76x = 72,070,142.64 × 12,144,969.76
  4. Step 4: Simplify right side
    48,046,761.76x = 875,289,702,961,686.50
  5. Step 5: Solve for x
    x = 875,289,702,961,686.50/48,046,761.76
  6. Step 6: Final answer
    x = 18,217,454.64

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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.