Home / 373,248,019.20-559,872,028.80-100,646,342.40

Finding the Fourth Proportional to 373,248,019.20, 559,872,028.80 and 100,646,342.40

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Solution

The fourth proportional to 373,248,019.20, 559,872,028.80 and 100,646,342.40 is: 150,969,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,019.20 : 559,872,028.80 = 100,646,342.40 : x
  2. Step 2: Convert to fraction form
    373,248,019.20/559,872,028.80 = 100,646,342.40/x
  3. Step 3: Cross multiply
    373,248,019.20x = 559,872,028.80 × 100,646,342.40
  4. Step 4: Simplify right side
    373,248,019.20x = 56,349,071,910,787,456
  5. Step 5: Solve for x
    x = 56,349,071,910,787,456/373,248,019.20
  6. Step 6: Final answer
    x = 150,969,513.60

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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.