Home / 109,048,404.60-163,373,541.30-66,448,366.20

Finding the Fourth Proportional to 109,048,404.60, 163,373,541.30 and 66,448,366.20

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Solution

The fourth proportional to 109,048,404.60, 163,373,541.30 and 66,448,366.20 is: 99,551,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,048,404.60 : 163,373,541.30 = 66,448,366.20 : x
  2. Step 2: Convert to fraction form
    109,048,404.60/163,373,541.30 = 66,448,366.20/x
  3. Step 3: Cross multiply
    109,048,404.60x = 163,373,541.30 × 66,448,366.20
  4. Step 4: Simplify right side
    109,048,404.60x = 10,855,904,899,693,226
  5. Step 5: Solve for x
    x = 10,855,904,899,693,226/109,048,404.60
  6. Step 6: Final answer
    x = 99,551,249.19

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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.