Home / 48,292,002.30-72,438,003.45-12,390,210.30

Finding the Fourth Proportional to 48,292,002.30, 72,438,003.45 and 12,390,210.30

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Solution

The fourth proportional to 48,292,002.30, 72,438,003.45 and 12,390,210.30 is: 18,585,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,292,002.30 : 72,438,003.45 = 12,390,210.30 : x
  2. Step 2: Convert to fraction form
    48,292,002.30/72,438,003.45 = 12,390,210.30/x
  3. Step 3: Cross multiply
    48,292,002.30x = 72,438,003.45 × 12,390,210.30
  4. Step 4: Simplify right side
    48,292,002.30x = 897,522,096,457,625.62
  5. Step 5: Solve for x
    x = 897,522,096,457,625.62/48,292,002.30
  6. Step 6: Final answer
    x = 18,585,315.45

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Similar ratio
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1.5x scale

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.