Home / 147,935,396.32-204,132,959.76-85,232,007.52

Finding the Fourth Proportional to 147,935,396.32, 204,132,959.76 and 85,232,007.52

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Solution

The fourth proportional to 147,935,396.32, 204,132,959.76 and 85,232,007.52 is: 117,609,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,935,396.32 : 204,132,959.76 = 85,232,007.52 : x
  2. Step 2: Convert to fraction form
    147,935,396.32/204,132,959.76 = 85,232,007.52/x
  3. Step 3: Cross multiply
    147,935,396.32x = 204,132,959.76 × 85,232,007.52
  4. Step 4: Simplify right side
    147,935,396.32x = 17,398,661,961,344,176
  5. Step 5: Solve for x
    x = 17,398,661,961,344,176/147,935,396.32
  6. Step 6: Final answer
    x = 117,609,864.81

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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.