Home / 132,868,931.85-199,303,397.78-71,646,928.65

Finding the Fourth Proportional to 132,868,931.85, 199,303,397.78 and 71,646,928.65

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Solution

The fourth proportional to 132,868,931.85, 199,303,397.78 and 71,646,928.65 is: 107,470,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,931.85 : 199,303,397.78 = 71,646,928.65 : x
  2. Step 2: Convert to fraction form
    132,868,931.85/199,303,397.78 = 71,646,928.65/x
  3. Step 3: Cross multiply
    132,868,931.85x = 199,303,397.78 × 71,646,928.65
  4. Step 4: Simplify right side
    132,868,931.85x = 14,279,476,320,087,996
  5. Step 5: Solve for x
    x = 14,279,476,320,087,996/132,868,931.85
  6. Step 6: Final answer
    x = 107,470,392.98

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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.