Home / 112,746,057.56-155,586,913.16-66,339,317.24

Finding the Fourth Proportional to 112,746,057.56, 155,586,913.16 and 66,339,317.24

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Solution

The fourth proportional to 112,746,057.56, 155,586,913.16 and 66,339,317.24 is: 91,546,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746,057.56 : 155,586,913.16 = 66,339,317.24 : x
  2. Step 2: Convert to fraction form
    112,746,057.56/155,586,913.16 = 66,339,317.24/x
  3. Step 3: Cross multiply
    112,746,057.56x = 155,586,913.16 × 66,339,317.24
  4. Step 4: Simplify right side
    112,746,057.56x = 10,321,529,591,068,386
  5. Step 5: Solve for x
    x = 10,321,529,591,068,386/112,746,057.56
  6. Step 6: Final answer
    x = 91,546,700.74

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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.