Home / 136,512,034.20-204,768,051.30-85,493,698.20

Finding the Fourth Proportional to 136,512,034.20, 204,768,051.30 and 85,493,698.20

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Solution

The fourth proportional to 136,512,034.20, 204,768,051.30 and 85,493,698.20 is: 128,240,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,512,034.20 : 204,768,051.30 = 85,493,698.20 : x
  2. Step 2: Convert to fraction form
    136,512,034.20/204,768,051.30 = 85,493,698.20/x
  3. Step 3: Cross multiply
    136,512,034.20x = 204,768,051.30 × 85,493,698.20
  4. Step 4: Simplify right side
    136,512,034.20x = 17,506,377,978,844,320
  5. Step 5: Solve for x
    x = 17,506,377,978,844,320/136,512,034.20
  6. Step 6: Final answer
    x = 128,240,547.30

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1.5x scale

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.