Home / 83,791,037.35-115,629,819.03-48,510,330.06

Finding the Fourth Proportional to 83,791,037.35, 115,629,819.03 and 48,510,330.06

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Solution

The fourth proportional to 83,791,037.35, 115,629,819.03 and 48,510,330.06 is: 66,943,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,791,037.35 : 115,629,819.03 = 48,510,330.06 : x
  2. Step 2: Convert to fraction form
    83,791,037.35/115,629,819.03 = 48,510,330.06/x
  3. Step 3: Cross multiply
    83,791,037.35x = 115,629,819.03 × 48,510,330.06
  4. Step 4: Simplify right side
    83,791,037.35x = 5,609,240,686,356,981
  5. Step 5: Solve for x
    x = 5,609,240,686,356,981/83,791,037.35
  6. Step 6: Final answer
    x = 66,943,206.14

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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.