Home / 78,800,748.80-118,041,690.90-54,567,039.20

Finding the Fourth Proportional to 78,800,748.80, 118,041,690.90 and 54,567,039.20

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Solution

The fourth proportional to 78,800,748.80, 118,041,690.90 and 54,567,039.20 is: 81,740,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,800,748.80 : 118,041,690.90 = 54,567,039.20 : x
  2. Step 2: Convert to fraction form
    78,800,748.80/118,041,690.90 = 54,567,039.20/x
  3. Step 3: Cross multiply
    78,800,748.80x = 118,041,690.90 × 54,567,039.20
  4. Step 4: Simplify right side
    78,800,748.80x = 6,441,185,574,574,584
  5. Step 5: Solve for x
    x = 6,441,185,574,574,584/78,800,748.80
  6. Step 6: Final answer
    x = 81,740,156.95

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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.