Home / 48,478,885.40-72,718,328.10-30,339,032.60

Finding the Fourth Proportional to 48,478,885.40, 72,718,328.10 and 30,339,032.60

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Solution

The fourth proportional to 48,478,885.40, 72,718,328.10 and 30,339,032.60 is: 45,508,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478,885.40 : 72,718,328.10 = 30,339,032.60 : x
  2. Step 2: Convert to fraction form
    48,478,885.40/72,718,328.10 = 30,339,032.60/x
  3. Step 3: Cross multiply
    48,478,885.40x = 72,718,328.10 × 30,339,032.60
  4. Step 4: Simplify right side
    48,478,885.40x = 2,206,203,726,843,396
  5. Step 5: Solve for x
    x = 2,206,203,726,843,396/48,478,885.40
  6. Step 6: Final answer
    x = 45,508,548.90

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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.