Home / 30,299,701.80-45,449,552.70-15,148,165.80

Finding the Fourth Proportional to 30,299,701.80, 45,449,552.70 and 15,148,165.80

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Solution

The fourth proportional to 30,299,701.80, 45,449,552.70 and 15,148,165.80 is: 22,722,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,701.80 : 45,449,552.70 = 15,148,165.80 : x
  2. Step 2: Convert to fraction form
    30,299,701.80/45,449,552.70 = 15,148,165.80/x
  3. Step 3: Cross multiply
    30,299,701.80x = 45,449,552.70 × 15,148,165.80
  4. Step 4: Simplify right side
    30,299,701.80x = 688,477,359,835,437.75
  5. Step 5: Solve for x
    x = 688,477,359,835,437.75/30,299,701.80
  6. Step 6: Final answer
    x = 22,722,248.70

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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.