Home / 297,199,575.60-445,799,363.40-78,849,495.60

Finding the Fourth Proportional to 297,199,575.60, 445,799,363.40 and 78,849,495.60

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Solution

The fourth proportional to 297,199,575.60, 445,799,363.40 and 78,849,495.60 is: 118,274,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,199,575.60 : 445,799,363.40 = 78,849,495.60 : x
  2. Step 2: Convert to fraction form
    297,199,575.60/445,799,363.40 = 78,849,495.60/x
  3. Step 3: Cross multiply
    297,199,575.60x = 445,799,363.40 × 78,849,495.60
  4. Step 4: Simplify right side
    297,199,575.60x = 35,151,054,942,891,096
  5. Step 5: Solve for x
    x = 35,151,054,942,891,096/297,199,575.60
  6. Step 6: Final answer
    x = 118,274,243.40

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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.