Home / 114,937,409.60-172,406,114.40-80,500,032.80

Finding the Fourth Proportional to 114,937,409.60, 172,406,114.40 and 80,500,032.80

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Solution

The fourth proportional to 114,937,409.60, 172,406,114.40 and 80,500,032.80 is: 120,750,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,937,409.60 : 172,406,114.40 = 80,500,032.80 : x
  2. Step 2: Convert to fraction form
    114,937,409.60/172,406,114.40 = 80,500,032.80/x
  3. Step 3: Cross multiply
    114,937,409.60x = 172,406,114.40 × 80,500,032.80
  4. Step 4: Simplify right side
    114,937,409.60x = 13,878,697,864,120,552
  5. Step 5: Solve for x
    x = 13,878,697,864,120,552/114,937,409.60
  6. Step 6: Final answer
    x = 120,750,049.20

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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.