Home / 252,834,866.20-348,940,431.66-142,833,665.08

Finding the Fourth Proportional to 252,834,866.20, 348,940,431.66 and 142,833,665.08

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Solution

The fourth proportional to 252,834,866.20, 348,940,431.66 and 142,833,665.08 is: 197,126,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,834,866.20 : 348,940,431.66 = 142,833,665.08 : x
  2. Step 2: Convert to fraction form
    252,834,866.20/348,940,431.66 = 142,833,665.08/x
  3. Step 3: Cross multiply
    252,834,866.20x = 348,940,431.66 × 142,833,665.08
  4. Step 4: Simplify right side
    252,834,866.20x = 49,840,440,748,595,080
  5. Step 5: Solve for x
    x = 49,840,440,748,595,080/252,834,866.20
  6. Step 6: Final answer
    x = 197,126,454.50

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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.