Home / 72,023,709.74-99,392,710.30-38,983,952.30

Finding the Fourth Proportional to 72,023,709.74, 99,392,710.30 and 38,983,952.30

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Solution

The fourth proportional to 72,023,709.74, 99,392,710.30 and 38,983,952.30 is: 53,797,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,023,709.74 : 99,392,710.30 = 38,983,952.30 : x
  2. Step 2: Convert to fraction form
    72,023,709.74/99,392,710.30 = 38,983,952.30/x
  3. Step 3: Cross multiply
    72,023,709.74x = 99,392,710.30 × 38,983,952.30
  4. Step 4: Simplify right side
    72,023,709.74x = 3,874,720,676,708,495.50
  5. Step 5: Solve for x
    x = 3,874,720,676,708,495.50/72,023,709.74
  6. Step 6: Final answer
    x = 53,797,849.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.