Home / 47,304,001.20-70,956,001.80-20,430,145.20

Finding the Fourth Proportional to 47,304,001.20, 70,956,001.80 and 20,430,145.20

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Solution

The fourth proportional to 47,304,001.20, 70,956,001.80 and 20,430,145.20 is: 30,645,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,304,001.20 : 70,956,001.80 = 20,430,145.20 : x
  2. Step 2: Convert to fraction form
    47,304,001.20/70,956,001.80 = 20,430,145.20/x
  3. Step 3: Cross multiply
    47,304,001.20x = 70,956,001.80 × 20,430,145.20
  4. Step 4: Simplify right side
    47,304,001.20x = 1,449,641,419,585,461.25
  5. Step 5: Solve for x
    x = 1,449,641,419,585,461.25/47,304,001.20
  6. Step 6: Final answer
    x = 30,645,217.80

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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.