Home / 79,806,959.68-119,710,439.52-19,222,685.76

Finding the Fourth Proportional to 79,806,959.68, 119,710,439.52 and 19,222,685.76

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Solution

The fourth proportional to 79,806,959.68, 119,710,439.52 and 19,222,685.76 is: 28,834,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806,959.68 : 119,710,439.52 = 19,222,685.76 : x
  2. Step 2: Convert to fraction form
    79,806,959.68/119,710,439.52 = 19,222,685.76/x
  3. Step 3: Cross multiply
    79,806,959.68x = 119,710,439.52 × 19,222,685.76
  4. Step 4: Simplify right side
    79,806,959.68x = 2,301,156,161,084,445.50
  5. Step 5: Solve for x
    x = 2,301,156,161,084,445.50/79,806,959.68
  6. Step 6: Final answer
    x = 28,834,028.64

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Double scale
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Similar ratio
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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.