Home / 155,904,955.31-214,927,041.39-106,281,648.29

Finding the Fourth Proportional to 155,904,955.31, 214,927,041.39 and 106,281,648.29

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Solution

The fourth proportional to 155,904,955.31, 214,927,041.39 and 106,281,648.29 is: 146,517,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,904,955.31 : 214,927,041.39 = 106,281,648.29 : x
  2. Step 2: Convert to fraction form
    155,904,955.31/214,927,041.39 = 106,281,648.29/x
  3. Step 3: Cross multiply
    155,904,955.31x = 214,927,041.39 × 106,281,648.29
  4. Step 4: Simplify right side
    155,904,955.31x = 22,842,800,221,022,252
  5. Step 5: Solve for x
    x = 22,842,800,221,022,252/155,904,955.31
  6. Step 6: Final answer
    x = 146,517,473.90

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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.