Home / 102,207,366.80-153,059,107.80-67,943,200.40

Finding the Fourth Proportional to 102,207,366.80, 153,059,107.80 and 67,943,200.40

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Solution

The fourth proportional to 102,207,366.80, 153,059,107.80 and 67,943,200.40 is: 101,747,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207,366.80 : 153,059,107.80 = 67,943,200.40 : x
  2. Step 2: Convert to fraction form
    102,207,366.80/153,059,107.80 = 67,943,200.40/x
  3. Step 3: Cross multiply
    102,207,366.80x = 153,059,107.80 × 67,943,200.40
  4. Step 4: Simplify right side
    102,207,366.80x = 10,399,325,634,300,604
  5. Step 5: Solve for x
    x = 10,399,325,634,300,604/102,207,366.80
  6. Step 6: Final answer
    x = 101,747,319.79

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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.