Home / 344,348,008.31-516,522,386.61-85,563,228.54

Finding the Fourth Proportional to 344,348,008.31, 516,522,386.61 and 85,563,228.54

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Solution

The fourth proportional to 344,348,008.31, 516,522,386.61 and 85,563,228.54 is: 128,344,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,348,008.31 : 516,522,386.61 = 85,563,228.54 : x
  2. Step 2: Convert to fraction form
    344,348,008.31/516,522,386.61 = 85,563,228.54/x
  3. Step 3: Cross multiply
    344,348,008.31x = 516,522,386.61 × 85,563,228.54
  4. Step 4: Simplify right side
    344,348,008.31x = 44,195,323,011,537,672
  5. Step 5: Solve for x
    x = 44,195,323,011,537,672/344,348,008.31
  6. Step 6: Final answer
    x = 128,344,935.78

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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.