Home / 60,499,489.20-90,749,233.80-49,870,669.20

Finding the Fourth Proportional to 60,499,489.20, 90,749,233.80 and 49,870,669.20

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Solution

The fourth proportional to 60,499,489.20, 90,749,233.80 and 49,870,669.20 is: 74,806,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499,489.20 : 90,749,233.80 = 49,870,669.20 : x
  2. Step 2: Convert to fraction form
    60,499,489.20/90,749,233.80 = 49,870,669.20/x
  3. Step 3: Cross multiply
    60,499,489.20x = 90,749,233.80 × 49,870,669.20
  4. Step 4: Simplify right side
    60,499,489.20x = 4,525,725,018,993,259
  5. Step 5: Solve for x
    x = 4,525,725,018,993,259/60,499,489.20
  6. Step 6: Final answer
    x = 74,806,003.80

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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.