Home / 113,680,338.72-156,878,756.88-61,469,249.40

Finding the Fourth Proportional to 113,680,338.72, 156,878,756.88 and 61,469,249.40

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Solution

The fourth proportional to 113,680,338.72, 156,878,756.88 and 61,469,249.40 is: 84,827,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,680,338.72 : 156,878,756.88 = 61,469,249.40 : x
  2. Step 2: Convert to fraction form
    113,680,338.72/156,878,756.88 = 61,469,249.40/x
  3. Step 3: Cross multiply
    113,680,338.72x = 156,878,756.88 × 61,469,249.40
  4. Step 4: Simplify right side
    113,680,338.72x = 9,643,219,432,218,686
  5. Step 5: Solve for x
    x = 9,643,219,432,218,686/113,680,338.72
  6. Step 6: Final answer
    x = 84,827,504.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.