Home / 78,167,493,167.40-117,251,239,751.10-78,167,493,167.40

Finding the Fourth Proportional to 78,167,493,167.40, 117,251,239,751.10 and 78,167,493,167.40

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Solution

The fourth proportional to 78,167,493,167.40, 117,251,239,751.10 and 78,167,493,167.40 is: 117,251,239,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167,493,167.40 : 117,251,239,751.10 = 78,167,493,167.40 : x
  2. Step 2: Convert to fraction form
    78,167,493,167.40/117,251,239,751.10 = 78,167,493,167.40/x
  3. Step 3: Cross multiply
    78,167,493,167.40x = 117,251,239,751.10 × 78,167,493,167.40
  4. Step 4: Simplify right side
    78,167,493,167.40x = 9,165,235,482,113,287,913,472
  5. Step 5: Solve for x
    x = 9,165,235,482,113,287,913,472/78,167,493,167.40
  6. Step 6: Final answer
    x = 117,251,239,751.10

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1.5x scale

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.