Home / 122,479,909.40-183,719,864.10-70,823,844.20

Finding the Fourth Proportional to 122,479,909.40, 183,719,864.10 and 70,823,844.20

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Solution

The fourth proportional to 122,479,909.40, 183,719,864.10 and 70,823,844.20 is: 106,235,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,479,909.40 : 183,719,864.10 = 70,823,844.20 : x
  2. Step 2: Convert to fraction form
    122,479,909.40/183,719,864.10 = 70,823,844.20/x
  3. Step 3: Cross multiply
    122,479,909.40x = 183,719,864.10 × 70,823,844.20
  4. Step 4: Simplify right side
    122,479,909.40x = 13,011,747,031,463,574
  5. Step 5: Solve for x
    x = 13,011,747,031,463,574/122,479,909.40
  6. Step 6: Final answer
    x = 106,235,766.30

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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.