Home / 114,937,402.60-172,406,103.90-80,500,025.80

Finding the Fourth Proportional to 114,937,402.60, 172,406,103.90 and 80,500,025.80

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Solution

The fourth proportional to 114,937,402.60, 172,406,103.90 and 80,500,025.80 is: 120,750,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,937,402.60 : 172,406,103.90 = 80,500,025.80 : x
  2. Step 2: Convert to fraction form
    114,937,402.60/172,406,103.90 = 80,500,025.80/x
  3. Step 3: Cross multiply
    114,937,402.60x = 172,406,103.90 × 80,500,025.80
  4. Step 4: Simplify right side
    114,937,402.60x = 13,878,695,812,027,480
  5. Step 5: Solve for x
    x = 13,878,695,812,027,480/114,937,402.60
  6. Step 6: Final answer
    x = 120,750,038.70

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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.