Home / 72,684,605.70-109,026,908.55-44,019,159.30

Finding the Fourth Proportional to 72,684,605.70, 109,026,908.55 and 44,019,159.30

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Solution

The fourth proportional to 72,684,605.70, 109,026,908.55 and 44,019,159.30 is: 66,028,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,684,605.70 : 109,026,908.55 = 44,019,159.30 : x
  2. Step 2: Convert to fraction form
    72,684,605.70/109,026,908.55 = 44,019,159.30/x
  3. Step 3: Cross multiply
    72,684,605.70x = 109,026,908.55 × 44,019,159.30
  4. Step 4: Simplify right side
    72,684,605.70x = 4,799,272,855,448,982
  5. Step 5: Solve for x
    x = 4,799,272,855,448,982/72,684,605.70
  6. Step 6: Final answer
    x = 66,028,738.95

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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.