Home / 70,322,964.24-105,488,432.13-21,807,715.35

Finding the Fourth Proportional to 70,322,964.24, 105,488,432.13 and 21,807,715.35

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Solution

The fourth proportional to 70,322,964.24, 105,488,432.13 and 21,807,715.35 is: 32,712,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322,964.24 : 105,488,432.13 = 21,807,715.35 : x
  2. Step 2: Convert to fraction form
    70,322,964.24/105,488,432.13 = 21,807,715.35/x
  3. Step 3: Cross multiply
    70,322,964.24x = 105,488,432.13 × 21,807,715.35
  4. Step 4: Simplify right side
    70,322,964.24x = 2,300,461,700,608,834
  5. Step 5: Solve for x
    x = 2,300,461,700,608,834/70,322,964.24
  6. Step 6: Final answer
    x = 32,712,809.04

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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.