Home / 201,577,332.04-278,028,188.47-152,019,791.75

Finding the Fourth Proportional to 201,577,332.04, 278,028,188.47 and 152,019,791.75

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Solution

The fourth proportional to 201,577,332.04, 278,028,188.47 and 152,019,791.75 is: 209,675,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,577,332.04 : 278,028,188.47 = 152,019,791.75 : x
  2. Step 2: Convert to fraction form
    201,577,332.04/278,028,188.47 = 152,019,791.75/x
  3. Step 3: Cross multiply
    201,577,332.04x = 278,028,188.47 × 152,019,791.75
  4. Step 4: Simplify right side
    201,577,332.04x = 42,265,787,312,722,720
  5. Step 5: Solve for x
    x = 42,265,787,312,722,720/201,577,332.04
  6. Step 6: Final answer
    x = 209,675,298.73

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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.