Home / 117,252,000.30-175,878,000.45-86,640,998.70

Finding the Fourth Proportional to 117,252,000.30, 175,878,000.45 and 86,640,998.70

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Solution

The fourth proportional to 117,252,000.30, 175,878,000.45 and 86,640,998.70 is: 129,961,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252,000.30 : 175,878,000.45 = 86,640,998.70 : x
  2. Step 2: Convert to fraction form
    117,252,000.30/175,878,000.45 = 86,640,998.70/x
  3. Step 3: Cross multiply
    117,252,000.30x = 175,878,000.45 × 86,640,998.70
  4. Step 4: Simplify right side
    117,252,000.30x = 15,238,245,608,347,048
  5. Step 5: Solve for x
    x = 15,238,245,608,347,048/117,252,000.30
  6. Step 6: Final answer
    x = 129,961,498.05

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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.