Home / 127,957,244.96-176,576,606.16-72,970,798.88

Finding the Fourth Proportional to 127,957,244.96, 176,576,606.16 and 72,970,798.88

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Solution

The fourth proportional to 127,957,244.96, 176,576,606.16 and 72,970,798.88 is: 100,697,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,957,244.96 : 176,576,606.16 = 72,970,798.88 : x
  2. Step 2: Convert to fraction form
    127,957,244.96/176,576,606.16 = 72,970,798.88/x
  3. Step 3: Cross multiply
    127,957,244.96x = 176,576,606.16 × 72,970,798.88
  4. Step 4: Simplify right side
    127,957,244.96x = 12,884,936,015,014,328
  5. Step 5: Solve for x
    x = 12,884,936,015,014,328/127,957,244.96
  6. Step 6: Final answer
    x = 100,697,197.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.