Home / 81,852,224.18-122,705,712.27-30,024,905.51

Finding the Fourth Proportional to 81,852,224.18, 122,705,712.27 and 30,024,905.51

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Solution

The fourth proportional to 81,852,224.18, 122,705,712.27 and 30,024,905.51 is: 45,010,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852,224.18 : 122,705,712.27 = 30,024,905.51 : x
  2. Step 2: Convert to fraction form
    81,852,224.18/122,705,712.27 = 30,024,905.51/x
  3. Step 3: Cross multiply
    81,852,224.18x = 122,705,712.27 × 30,024,905.51
  4. Step 4: Simplify right side
    81,852,224.18x = 3,684,227,416,750,761.50
  5. Step 5: Solve for x
    x = 3,684,227,416,750,761.50/81,852,224.18
  6. Step 6: Final answer
    x = 45,010,718.45

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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.