Home / 240,462,426.47-331,838,791.73-130,454,139.47

Finding the Fourth Proportional to 240,462,426.47, 331,838,791.73 and 130,454,139.47

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Solution

The fourth proportional to 240,462,426.47, 331,838,791.73 and 130,454,139.47 is: 180,027,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,462,426.47 : 331,838,791.73 = 130,454,139.47 : x
  2. Step 2: Convert to fraction form
    240,462,426.47/331,838,791.73 = 130,454,139.47/x
  3. Step 3: Cross multiply
    240,462,426.47x = 331,838,791.73 × 130,454,139.47
  4. Step 4: Simplify right side
    240,462,426.47x = 43,289,744,019,057,432
  5. Step 5: Solve for x
    x = 43,289,744,019,057,432/240,462,426.47
  6. Step 6: Final answer
    x = 180,027,061.42

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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.