Home / 140,134,671.03-193,382,097.77-77,409,419.04

Finding the Fourth Proportional to 140,134,671.03, 193,382,097.77 and 77,409,419.04

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Solution

The fourth proportional to 140,134,671.03, 193,382,097.77 and 77,409,419.04 is: 106,822,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134,671.03 : 193,382,097.77 = 77,409,419.04 : x
  2. Step 2: Convert to fraction form
    140,134,671.03/193,382,097.77 = 77,409,419.04/x
  3. Step 3: Cross multiply
    140,134,671.03x = 193,382,097.77 × 77,409,419.04
  4. Step 4: Simplify right side
    140,134,671.03x = 14,969,595,840,725,132
  5. Step 5: Solve for x
    x = 14,969,595,840,725,132/140,134,671.03
  6. Step 6: Final answer
    x = 106,822,927.76

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1.5x scale

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.