Home / 86,297,009.60-129,495,280.80-32,482,942.40

Finding the Fourth Proportional to 86,297,009.60, 129,495,280.80 and 32,482,942.40

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Solution

The fourth proportional to 86,297,009.60, 129,495,280.80 and 32,482,942.40 is: 48,743,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297,009.60 : 129,495,280.80 = 32,482,942.40 : x
  2. Step 2: Convert to fraction form
    86,297,009.60/129,495,280.80 = 32,482,942.40/x
  3. Step 3: Cross multiply
    86,297,009.60x = 129,495,280.80 × 32,482,942.40
  4. Step 4: Simplify right side
    86,297,009.60x = 4,206,387,747,298,225.50
  5. Step 5: Solve for x
    x = 4,206,387,747,298,225.50/86,297,009.60
  6. Step 6: Final answer
    x = 48,743,146.10

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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.