Home / 105,006,774.80-157,510,162.20-68,018,481.20

Finding the Fourth Proportional to 105,006,774.80, 157,510,162.20 and 68,018,481.20

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Solution

The fourth proportional to 105,006,774.80, 157,510,162.20 and 68,018,481.20 is: 102,027,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006,774.80 : 157,510,162.20 = 68,018,481.20 : x
  2. Step 2: Convert to fraction form
    105,006,774.80/157,510,162.20 = 68,018,481.20/x
  3. Step 3: Cross multiply
    105,006,774.80x = 157,510,162.20 × 68,018,481.20
  4. Step 4: Simplify right side
    105,006,774.80x = 10,713,602,006,409,650
  5. Step 5: Solve for x
    x = 10,713,602,006,409,650/105,006,774.80
  6. Step 6: Final answer
    x = 102,027,721.80

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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.