Home / 114,971,447.60-172,457,171.40-113,459,793.20

Finding the Fourth Proportional to 114,971,447.60, 172,457,171.40 and 113,459,793.20

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Solution

The fourth proportional to 114,971,447.60, 172,457,171.40 and 113,459,793.20 is: 170,189,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971,447.60 : 172,457,171.40 = 113,459,793.20 : x
  2. Step 2: Convert to fraction form
    114,971,447.60/172,457,171.40 = 113,459,793.20/x
  3. Step 3: Cross multiply
    114,971,447.60x = 172,457,171.40 × 113,459,793.20
  4. Step 4: Simplify right side
    114,971,447.60x = 19,566,955,002,900,956
  5. Step 5: Solve for x
    x = 19,566,955,002,900,956/114,971,447.60
  6. Step 6: Final answer
    x = 170,189,689.80

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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.