Home / 78,977,718.16-118,369,550.27-44,361,353.87

Finding the Fourth Proportional to 78,977,718.16, 118,369,550.27 and 44,361,353.87

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Solution

The fourth proportional to 78,977,718.16, 118,369,550.27 and 44,361,353.87 is: 66,487,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,977,718.16 : 118,369,550.27 = 44,361,353.87 : x
  2. Step 2: Convert to fraction form
    78,977,718.16/118,369,550.27 = 44,361,353.87/x
  3. Step 3: Cross multiply
    78,977,718.16x = 118,369,550.27 × 44,361,353.87
  4. Step 4: Simplify right side
    78,977,718.16x = 5,251,033,506,923,165
  5. Step 5: Solve for x
    x = 5,251,033,506,923,165/78,977,718.16
  6. Step 6: Final answer
    x = 66,487,531.29

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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.