Home / 81,852,225.92-122,705,714.90-30,024,907.26

Finding the Fourth Proportional to 81,852,225.92, 122,705,714.90 and 30,024,907.26

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Solution

The fourth proportional to 81,852,225.92, 122,705,714.90 and 30,024,907.26 is: 45,010,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852,225.92 : 122,705,714.90 = 30,024,907.26 : x
  2. Step 2: Convert to fraction form
    81,852,225.92/122,705,714.90 = 30,024,907.26/x
  3. Step 3: Cross multiply
    81,852,225.92x = 122,705,714.90 × 30,024,907.26
  4. Step 4: Simplify right side
    81,852,225.92x = 3,684,227,710,144,500.50
  5. Step 5: Solve for x
    x = 3,684,227,710,144,500.50/81,852,225.92
  6. Step 6: Final answer
    x = 45,010,721.07

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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.