Home / 287,085,847.60-430,607,941.20-112,175,993.08

Finding the Fourth Proportional to 287,085,847.60, 430,607,941.20 and 112,175,993.08

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Solution

The fourth proportional to 287,085,847.60, 430,607,941.20 and 112,175,993.08 is: 168,255,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,085,847.60 : 430,607,941.20 = 112,175,993.08 : x
  2. Step 2: Convert to fraction form
    287,085,847.60/430,607,941.20 = 112,175,993.08/x
  3. Step 3: Cross multiply
    287,085,847.60x = 430,607,941.20 × 112,175,993.08
  4. Step 4: Simplify right side
    287,085,847.60x = 48,303,873,432,244,248
  5. Step 5: Solve for x
    x = 48,303,873,432,244,248/287,085,847.60
  6. Step 6: Final answer
    x = 168,255,850.42

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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.