Home / 155,904,956.32-214,927,042.76-106,281,649.30

Finding the Fourth Proportional to 155,904,956.32, 214,927,042.76 and 106,281,649.30

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Solution

The fourth proportional to 155,904,956.32, 214,927,042.76 and 106,281,649.30 is: 146,517,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,904,956.32 : 214,927,042.76 = 106,281,649.30 : x
  2. Step 2: Convert to fraction form
    155,904,956.32/214,927,042.76 = 106,281,649.30/x
  3. Step 3: Cross multiply
    155,904,956.32x = 214,927,042.76 × 106,281,649.30
  4. Step 4: Simplify right side
    155,904,956.32x = 22,842,800,583,704,424
  5. Step 5: Solve for x
    x = 22,842,800,583,704,424/155,904,956.32
  6. Step 6: Final answer
    x = 146,517,475.28

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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.