Home / 80,574,913,794.60-120,862,370,691.90-45,746,396,418.60

Finding the Fourth Proportional to 80,574,913,794.60, 120,862,370,691.90 and 45,746,396,418.60

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Solution

The fourth proportional to 80,574,913,794.60, 120,862,370,691.90 and 45,746,396,418.60 is: 68,619,594,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,574,913,794.60 : 120,862,370,691.90 = 45,746,396,418.60 : x
  2. Step 2: Convert to fraction form
    80,574,913,794.60/120,862,370,691.90 = 45,746,396,418.60/x
  3. Step 3: Cross multiply
    80,574,913,794.60x = 120,862,370,691.90 × 45,746,396,418.60
  4. Step 4: Simplify right side
    80,574,913,794.60x = 5,529,017,921,763,439,280,128
  5. Step 5: Solve for x
    x = 5,529,017,921,763,439,280,128/80,574,913,794.60
  6. Step 6: Final answer
    x = 68,619,594,627.90

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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.