Home / 78,725,164.60-118,087,746.90-44,287,787.80

Finding the Fourth Proportional to 78,725,164.60, 118,087,746.90 and 44,287,787.80

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Solution

The fourth proportional to 78,725,164.60, 118,087,746.90 and 44,287,787.80 is: 66,431,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,164.60 : 118,087,746.90 = 44,287,787.80 : x
  2. Step 2: Convert to fraction form
    78,725,164.60/118,087,746.90 = 44,287,787.80/x
  3. Step 3: Cross multiply
    78,725,164.60x = 118,087,746.90 × 44,287,787.80
  4. Step 4: Simplify right side
    78,725,164.60x = 5,229,845,076,487,308
  5. Step 5: Solve for x
    x = 5,229,845,076,487,308/78,725,164.60
  6. Step 6: Final answer
    x = 66,431,681.70

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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.