Home / 114,958,070.20-172,437,105.30-103,620,662.20

Finding the Fourth Proportional to 114,958,070.20, 172,437,105.30 and 103,620,662.20

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Solution

The fourth proportional to 114,958,070.20, 172,437,105.30 and 103,620,662.20 is: 155,430,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,958,070.20 : 172,437,105.30 = 103,620,662.20 : x
  2. Step 2: Convert to fraction form
    114,958,070.20/172,437,105.30 = 103,620,662.20/x
  3. Step 3: Cross multiply
    114,958,070.20x = 172,437,105.30 × 103,620,662.20
  4. Step 4: Simplify right side
    114,958,070.20x = 17,868,047,039,037,132
  5. Step 5: Solve for x
    x = 17,868,047,039,037,132/114,958,070.20
  6. Step 6: Final answer
    x = 155,430,993.30

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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.