Home / 315,591,253.20-473,050,956.60-121,427,643.60

Finding the Fourth Proportional to 315,591,253.20, 473,050,956.60 and 121,427,643.60

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Solution

The fourth proportional to 315,591,253.20, 473,050,956.60 and 121,427,643.60 is: 182,012,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,591,253.20 : 473,050,956.60 = 121,427,643.60 : x
  2. Step 2: Convert to fraction form
    315,591,253.20/473,050,956.60 = 121,427,643.60/x
  3. Step 3: Cross multiply
    315,591,253.20x = 473,050,956.60 × 121,427,643.60
  4. Step 4: Simplify right side
    315,591,253.20x = 57,441,462,962,663,864
  5. Step 5: Solve for x
    x = 57,441,462,962,663,864/315,591,253.20
  6. Step 6: Final answer
    x = 182,012,214.79

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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.