Home / 78,979,326.60-118,341,809.10-44,799,025.80

Finding the Fourth Proportional to 78,979,326.60, 118,341,809.10 and 44,799,025.80

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Solution

The fourth proportional to 78,979,326.60, 118,341,809.10 and 44,799,025.80 is: 67,126,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,979,326.60 : 118,341,809.10 = 44,799,025.80 : x
  2. Step 2: Convert to fraction form
    78,979,326.60/118,341,809.10 = 44,799,025.80/x
  3. Step 3: Cross multiply
    78,979,326.60x = 118,341,809.10 × 44,799,025.80
  4. Step 4: Simplify right side
    78,979,326.60x = 5,301,597,759,089,574
  5. Step 5: Solve for x
    x = 5,301,597,759,089,574/78,979,326.60
  6. Step 6: Final answer
    x = 67,126,398.61

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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.