Home / 103,412,033.20-142,708,571.04-57,003,062.20

Finding the Fourth Proportional to 103,412,033.20, 142,708,571.04 and 57,003,062.20

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Solution

The fourth proportional to 103,412,033.20, 142,708,571.04 and 57,003,062.20 is: 78,664,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412,033.20 : 142,708,571.04 = 57,003,062.20 : x
  2. Step 2: Convert to fraction form
    103,412,033.20/142,708,571.04 = 57,003,062.20/x
  3. Step 3: Cross multiply
    103,412,033.20x = 142,708,571.04 × 57,003,062.20
  4. Step 4: Simplify right side
    103,412,033.20x = 8,134,825,551,466,239
  5. Step 5: Solve for x
    x = 8,134,825,551,466,239/103,412,033.20
  6. Step 6: Final answer
    x = 78,664,206.67

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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.