Home / 126,371,768.64-189,565,001.28-35,502,443.52

Finding the Fourth Proportional to 126,371,768.64, 189,565,001.28 and 35,502,443.52

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Solution

The fourth proportional to 126,371,768.64, 189,565,001.28 and 35,502,443.52 is: 53,255,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,371,768.64 : 189,565,001.28 = 35,502,443.52 : x
  2. Step 2: Convert to fraction form
    126,371,768.64/189,565,001.28 = 35,502,443.52/x
  3. Step 3: Cross multiply
    126,371,768.64x = 189,565,001.28 × 35,502,443.52
  4. Step 4: Simplify right side
    126,371,768.64x = 6,730,020,751,311,928
  5. Step 5: Solve for x
    x = 6,730,020,751,311,928/126,371,768.64
  6. Step 6: Final answer
    x = 53,255,729.69

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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.