Home / 71,442,002.20-107,163,003.30-70,938,117.40

Finding the Fourth Proportional to 71,442,002.20, 107,163,003.30 and 70,938,117.40

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Solution

The fourth proportional to 71,442,002.20, 107,163,003.30 and 70,938,117.40 is: 106,407,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,442,002.20 : 107,163,003.30 = 70,938,117.40 : x
  2. Step 2: Convert to fraction form
    71,442,002.20/107,163,003.30 = 70,938,117.40/x
  3. Step 3: Cross multiply
    71,442,002.20x = 107,163,003.30 × 70,938,117.40
  4. Step 4: Simplify right side
    71,442,002.20x = 7,601,941,709,031,988
  5. Step 5: Solve for x
    x = 7,601,941,709,031,988/71,442,002.20
  6. Step 6: Final answer
    x = 106,407,176.10

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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.