Home / 78,894,263.40-118,341,395.10-44,456,886.60

Finding the Fourth Proportional to 78,894,263.40, 118,341,395.10 and 44,456,886.60

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Solution

The fourth proportional to 78,894,263.40, 118,341,395.10 and 44,456,886.60 is: 66,685,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,263.40 : 118,341,395.10 = 44,456,886.60 : x
  2. Step 2: Convert to fraction form
    78,894,263.40/118,341,395.10 = 44,456,886.60/x
  3. Step 3: Cross multiply
    78,894,263.40x = 118,341,395.10 × 44,456,886.60
  4. Step 4: Simplify right side
    78,894,263.40x = 5,261,089,982,046,496
  5. Step 5: Solve for x
    x = 5,261,089,982,046,496/78,894,263.40
  6. Step 6: Final answer
    x = 66,685,329.90

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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.