Home / 51,642,445.12-71,261,156.14-29,308,318.90

Finding the Fourth Proportional to 51,642,445.12, 71,261,156.14 and 29,308,318.90

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Solution

The fourth proportional to 51,642,445.12, 71,261,156.14 and 29,308,318.90 is: 40,442,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642,445.12 : 71,261,156.14 = 29,308,318.90 : x
  2. Step 2: Convert to fraction form
    51,642,445.12/71,261,156.14 = 29,308,318.90/x
  3. Step 3: Cross multiply
    51,642,445.12x = 71,261,156.14 × 29,308,318.90
  4. Step 4: Simplify right side
    51,642,445.12x = 2,088,544,689,333,813
  5. Step 5: Solve for x
    x = 2,088,544,689,333,813/51,642,445.12
  6. Step 6: Final answer
    x = 40,442,405.17

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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.