Home / 91,643,037.92-137,373,756.74-43,033,876.52

Finding the Fourth Proportional to 91,643,037.92, 137,373,756.74 and 43,033,876.52

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Solution

The fourth proportional to 91,643,037.92, 137,373,756.74 and 43,033,876.52 is: 64,508,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643,037.92 : 137,373,756.74 = 43,033,876.52 : x
  2. Step 2: Convert to fraction form
    91,643,037.92/137,373,756.74 = 43,033,876.52/x
  3. Step 3: Cross multiply
    91,643,037.92x = 137,373,756.74 × 43,033,876.52
  4. Step 4: Simplify right side
    91,643,037.92x = 5,911,725,284,637,679
  5. Step 5: Solve for x
    x = 5,911,725,284,637,679/91,643,037.92
  6. Step 6: Final answer
    x = 64,508,176.71

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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.