Home / 200,703,292.74-300,698,577.59-83,861,433.72

Finding the Fourth Proportional to 200,703,292.74, 300,698,577.59 and 83,861,433.72

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Solution

The fourth proportional to 200,703,292.74, 300,698,577.59 and 83,861,433.72 is: 125,643,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,703,292.74 : 300,698,577.59 = 83,861,433.72 : x
  2. Step 2: Convert to fraction form
    200,703,292.74/300,698,577.59 = 83,861,433.72/x
  3. Step 3: Cross multiply
    200,703,292.74x = 300,698,577.59 × 83,861,433.72
  4. Step 4: Simplify right side
    200,703,292.74x = 25,217,013,833,842,752
  5. Step 5: Solve for x
    x = 25,217,013,833,842,752/200,703,292.74
  6. Step 6: Final answer
    x = 125,643,249.24

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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.