Home / 72,023,726.61-99,392,733.59-38,983,969.17

Finding the Fourth Proportional to 72,023,726.61, 99,392,733.59 and 38,983,969.17

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Solution

The fourth proportional to 72,023,726.61, 99,392,733.59 and 38,983,969.17 is: 53,797,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,023,726.61 : 99,392,733.59 = 38,983,969.17 : x
  2. Step 2: Convert to fraction form
    72,023,726.61/99,392,733.59 = 38,983,969.17/x
  3. Step 3: Cross multiply
    72,023,726.61x = 99,392,733.59 × 38,983,969.17
  4. Step 4: Simplify right side
    72,023,726.61x = 3,874,723,261,799,663.50
  5. Step 5: Solve for x
    x = 3,874,723,261,799,663.50/72,023,726.61
  6. Step 6: Final answer
    x = 53,797,872.51

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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.