Home / 78,605,738.64-108,476,349.54-45,585,565.41

Finding the Fourth Proportional to 78,605,738.64, 108,476,349.54 and 45,585,565.41

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Solution

The fourth proportional to 78,605,738.64, 108,476,349.54 and 45,585,565.41 is: 62,908,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605,738.64 : 108,476,349.54 = 45,585,565.41 : x
  2. Step 2: Convert to fraction form
    78,605,738.64/108,476,349.54 = 45,585,565.41/x
  3. Step 3: Cross multiply
    78,605,738.64x = 108,476,349.54 × 45,585,565.41
  4. Step 4: Simplify right side
    78,605,738.64x = 4,944,955,727,276,001
  5. Step 5: Solve for x
    x = 4,944,955,727,276,001/78,605,738.64
  6. Step 6: Final answer
    x = 62,908,329.76

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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.