Home / 147,705,667.32-221,360,456.02-114,955,781.56

Finding the Fourth Proportional to 147,705,667.32, 221,360,456.02 and 114,955,781.56

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Solution

The fourth proportional to 147,705,667.32, 221,360,456.02 and 114,955,781.56 is: 172,279,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705,667.32 : 221,360,456.02 = 114,955,781.56 : x
  2. Step 2: Convert to fraction form
    147,705,667.32/221,360,456.02 = 114,955,781.56/x
  3. Step 3: Cross multiply
    147,705,667.32x = 221,360,456.02 × 114,955,781.56
  4. Step 4: Simplify right side
    147,705,667.32x = 25,446,664,228,257,108
  5. Step 5: Solve for x
    x = 25,446,664,228,257,108/147,705,667.32
  6. Step 6: Final answer
    x = 172,279,538.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.