Home / 66,517,430.10-99,776,145.15-48,235,859.70

Finding the Fourth Proportional to 66,517,430.10, 99,776,145.15 and 48,235,859.70

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Solution

The fourth proportional to 66,517,430.10, 99,776,145.15 and 48,235,859.70 is: 72,353,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517,430.10 : 99,776,145.15 = 48,235,859.70 : x
  2. Step 2: Convert to fraction form
    66,517,430.10/99,776,145.15 = 48,235,859.70/x
  3. Step 3: Cross multiply
    66,517,430.10x = 99,776,145.15 × 48,235,859.70
  4. Step 4: Simplify right side
    66,517,430.10x = 4,812,788,138,862,236
  5. Step 5: Solve for x
    x = 4,812,788,138,862,236/66,517,430.10
  6. Step 6: Final answer
    x = 72,353,789.55

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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.