Home / 341,722,009.20-512,533,247.40-99,359,641.20

Finding the Fourth Proportional to 341,722,009.20, 512,533,247.40 and 99,359,641.20

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Solution

The fourth proportional to 341,722,009.20, 512,533,247.40 and 99,359,641.20 is: 149,024,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,722,009.20 : 512,533,247.40 = 99,359,641.20 : x
  2. Step 2: Convert to fraction form
    341,722,009.20/512,533,247.40 = 99,359,641.20/x
  3. Step 3: Cross multiply
    341,722,009.20x = 512,533,247.40 × 99,359,641.20
  4. Step 4: Simplify right side
    341,722,009.20x = 50,925,119,564,734,832
  5. Step 5: Solve for x
    x = 50,925,119,564,734,832/341,722,009.20
  6. Step 6: Final answer
    x = 149,024,991.64

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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.