Home / 101,341,754.78-151,957,947.80-45,979,373.58

Finding the Fourth Proportional to 101,341,754.78, 151,957,947.80 and 45,979,373.58

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Solution

The fourth proportional to 101,341,754.78, 151,957,947.80 and 45,979,373.58 is: 68,944,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,341,754.78 : 151,957,947.80 = 45,979,373.58 : x
  2. Step 2: Convert to fraction form
    101,341,754.78/151,957,947.80 = 45,979,373.58/x
  3. Step 3: Cross multiply
    101,341,754.78x = 151,957,947.80 × 45,979,373.58
  4. Step 4: Simplify right side
    101,341,754.78x = 6,986,931,250,346,339
  5. Step 5: Solve for x
    x = 6,986,931,250,346,339/101,341,754.78
  6. Step 6: Final answer
    x = 68,944,249.74

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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.