Home / 47,318,642.40-70,977,963.60-20,392,298.40

Finding the Fourth Proportional to 47,318,642.40, 70,977,963.60 and 20,392,298.40

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Solution

The fourth proportional to 47,318,642.40, 70,977,963.60 and 20,392,298.40 is: 30,588,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318,642.40 : 70,977,963.60 = 20,392,298.40 : x
  2. Step 2: Convert to fraction form
    47,318,642.40/70,977,963.60 = 20,392,298.40/x
  3. Step 3: Cross multiply
    47,318,642.40x = 70,977,963.60 × 20,392,298.40
  4. Step 4: Simplify right side
    47,318,642.40x = 1,447,403,813,555,538
  5. Step 5: Solve for x
    x = 1,447,403,813,555,538/47,318,642.40
  6. Step 6: Final answer
    x = 30,588,447.60

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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.