Home / 124,640,691.80-186,961,037.70-70,892,979.80

Finding the Fourth Proportional to 124,640,691.80, 186,961,037.70 and 70,892,979.80

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Solution

The fourth proportional to 124,640,691.80, 186,961,037.70 and 70,892,979.80 is: 106,339,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,640,691.80 : 186,961,037.70 = 70,892,979.80 : x
  2. Step 2: Convert to fraction form
    124,640,691.80/186,961,037.70 = 70,892,979.80/x
  3. Step 3: Cross multiply
    124,640,691.80x = 186,961,037.70 × 70,892,979.80
  4. Step 4: Simplify right side
    124,640,691.80x = 13,254,225,069,053,138
  5. Step 5: Solve for x
    x = 13,254,225,069,053,138/124,640,691.80
  6. Step 6: Final answer
    x = 106,339,469.70

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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.