Home / 105,185,865.15-157,778,795.30-28,508,891.85

Finding the Fourth Proportional to 105,185,865.15, 157,778,795.30 and 28,508,891.85

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Solution

The fourth proportional to 105,185,865.15, 157,778,795.30 and 28,508,891.85 is: 42,763,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,865.15 : 157,778,795.30 = 28,508,891.85 : x
  2. Step 2: Convert to fraction form
    105,185,865.15/157,778,795.30 = 28,508,891.85/x
  3. Step 3: Cross multiply
    105,185,865.15x = 157,778,795.30 × 28,508,891.85
  4. Step 4: Simplify right side
    105,185,865.15x = 4,498,098,611,288,443.50
  5. Step 5: Solve for x
    x = 4,498,098,611,288,443.50/105,185,865.15
  6. Step 6: Final answer
    x = 42,763,337.12

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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.