Home / 199,689,385.64-275,566,065.46-111,584,107.30

Finding the Fourth Proportional to 199,689,385.64, 275,566,065.46 and 111,584,107.30

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Solution

The fourth proportional to 199,689,385.64, 275,566,065.46 and 111,584,107.30 is: 153,983,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,689,385.64 : 275,566,065.46 = 111,584,107.30 : x
  2. Step 2: Convert to fraction form
    199,689,385.64/275,566,065.46 = 111,584,107.30/x
  3. Step 3: Cross multiply
    199,689,385.64x = 275,566,065.46 × 111,584,107.30
  4. Step 4: Simplify right side
    199,689,385.64x = 30,748,793,416,527,460
  5. Step 5: Solve for x
    x = 30,748,793,416,527,460/199,689,385.64
  6. Step 6: Final answer
    x = 153,983,113.91

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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.