Home / 230,074,126.72-317,510,129.09-136,068,856.83

Finding the Fourth Proportional to 230,074,126.72, 317,510,129.09 and 136,068,856.83

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Solution

The fourth proportional to 230,074,126.72, 317,510,129.09 and 136,068,856.83 is: 187,779,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,074,126.72 : 317,510,129.09 = 136,068,856.83 : x
  2. Step 2: Convert to fraction form
    230,074,126.72/317,510,129.09 = 136,068,856.83/x
  3. Step 3: Cross multiply
    230,074,126.72x = 317,510,129.09 × 136,068,856.83
  4. Step 4: Simplify right side
    230,074,126.72x = 43,203,240,296,797,504
  5. Step 5: Solve for x
    x = 43,203,240,296,797,504/230,074,126.72
  6. Step 6: Final answer
    x = 187,779,655.68

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1.5x scale

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.