Home / 65,610,341.20-98,415,511.80-54,928,377.10

Finding the Fourth Proportional to 65,610,341.20, 98,415,511.80 and 54,928,377.10

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Solution

The fourth proportional to 65,610,341.20, 98,415,511.80 and 54,928,377.10 is: 82,392,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,341.20 : 98,415,511.80 = 54,928,377.10 : x
  2. Step 2: Convert to fraction form
    65,610,341.20/98,415,511.80 = 54,928,377.10/x
  3. Step 3: Cross multiply
    65,610,341.20x = 98,415,511.80 × 54,928,377.10
  4. Step 4: Simplify right side
    65,610,341.20x = 5,405,804,344,639,900
  5. Step 5: Solve for x
    x = 5,405,804,344,639,900/65,610,341.20
  6. Step 6: Final answer
    x = 82,392,565.65

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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.