Home / 76,865,441.40-115,158,194.10-36,386,695.80

Finding the Fourth Proportional to 76,865,441.40, 115,158,194.10 and 36,386,695.80

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Solution

The fourth proportional to 76,865,441.40, 115,158,194.10 and 36,386,695.80 is: 54,513,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,865,441.40 : 115,158,194.10 = 36,386,695.80 : x
  2. Step 2: Convert to fraction form
    76,865,441.40/115,158,194.10 = 36,386,695.80/x
  3. Step 3: Cross multiply
    76,865,441.40x = 115,158,194.10 × 36,386,695.80
  4. Step 4: Simplify right side
    76,865,441.40x = 4,190,226,177,594,054
  5. Step 5: Solve for x
    x = 4,190,226,177,594,054/76,865,441.40
  6. Step 6: Final answer
    x = 54,513,785.41

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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.