Home / 212,070,663.20-318,105,994.80-110,033,991.20

Finding the Fourth Proportional to 212,070,663.20, 318,105,994.80 and 110,033,991.20

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Solution

The fourth proportional to 212,070,663.20, 318,105,994.80 and 110,033,991.20 is: 165,050,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,070,663.20 : 318,105,994.80 = 110,033,991.20 : x
  2. Step 2: Convert to fraction form
    212,070,663.20/318,105,994.80 = 110,033,991.20/x
  3. Step 3: Cross multiply
    212,070,663.20x = 318,105,994.80 × 110,033,991.20
  4. Step 4: Simplify right side
    212,070,663.20x = 35,002,472,232,490,448
  5. Step 5: Solve for x
    x = 35,002,472,232,490,448/212,070,663.20
  6. Step 6: Final answer
    x = 165,050,986.80

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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.