Home / 72,620,616.52-100,216,487.87-41,258,719.79

Finding the Fourth Proportional to 72,620,616.52, 100,216,487.87 and 41,258,719.79

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Solution

The fourth proportional to 72,620,616.52, 100,216,487.87 and 41,258,719.79 is: 56,937,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,620,616.52 : 100,216,487.87 = 41,258,719.79 : x
  2. Step 2: Convert to fraction form
    72,620,616.52/100,216,487.87 = 41,258,719.79/x
  3. Step 3: Cross multiply
    72,620,616.52x = 100,216,487.87 × 41,258,719.79
  4. Step 4: Simplify right side
    72,620,616.52x = 4,134,803,990,791,874.50
  5. Step 5: Solve for x
    x = 4,134,803,990,791,874.50/72,620,616.52
  6. Step 6: Final answer
    x = 56,937,054.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.