Home / 66,498,457.70-99,747,686.55-43,804,979.30

Finding the Fourth Proportional to 66,498,457.70, 99,747,686.55 and 43,804,979.30

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Solution

The fourth proportional to 66,498,457.70, 99,747,686.55 and 43,804,979.30 is: 65,707,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,457.70 : 99,747,686.55 = 43,804,979.30 : x
  2. Step 2: Convert to fraction form
    66,498,457.70/99,747,686.55 = 43,804,979.30/x
  3. Step 3: Cross multiply
    66,498,457.70x = 99,747,686.55 × 43,804,979.30
  4. Step 4: Simplify right side
    66,498,457.70x = 4,369,445,344,545,638
  5. Step 5: Solve for x
    x = 4,369,445,344,545,638/66,498,457.70
  6. Step 6: Final answer
    x = 65,707,468.95

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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.