Home / 201,350,681.70-302,026,022.55-71,962,512.90

Finding the Fourth Proportional to 201,350,681.70, 302,026,022.55 and 71,962,512.90

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Solution

The fourth proportional to 201,350,681.70, 302,026,022.55 and 71,962,512.90 is: 107,943,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,350,681.70 : 302,026,022.55 = 71,962,512.90 : x
  2. Step 2: Convert to fraction form
    201,350,681.70/302,026,022.55 = 71,962,512.90/x
  3. Step 3: Cross multiply
    201,350,681.70x = 302,026,022.55 × 71,962,512.90
  4. Step 4: Simplify right side
    201,350,681.70x = 21,734,551,543,890,068
  5. Step 5: Solve for x
    x = 21,734,551,543,890,068/201,350,681.70
  6. Step 6: Final answer
    x = 107,943,769.35

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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.