Home / 54,306,077.40-81,459,116.10-31,347,826.20

Finding the Fourth Proportional to 54,306,077.40, 81,459,116.10 and 31,347,826.20

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Solution

The fourth proportional to 54,306,077.40, 81,459,116.10 and 31,347,826.20 is: 47,021,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306,077.40 : 81,459,116.10 = 31,347,826.20 : x
  2. Step 2: Convert to fraction form
    54,306,077.40/81,459,116.10 = 31,347,826.20/x
  3. Step 3: Cross multiply
    54,306,077.40x = 81,459,116.10 × 31,347,826.20
  4. Step 4: Simplify right side
    54,306,077.40x = 2,553,566,213,908,421.50
  5. Step 5: Solve for x
    x = 2,553,566,213,908,421.50/54,306,077.40
  6. Step 6: Final answer
    x = 47,021,739.30

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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.