Home / 247,508,510.40-371,017,821.60-109,409,083.20

Finding the Fourth Proportional to 247,508,510.40, 371,017,821.60 and 109,409,083.20

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Solution

The fourth proportional to 247,508,510.40, 371,017,821.60 and 109,409,083.20 is: 164,005,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,508,510.40 : 371,017,821.60 = 109,409,083.20 : x
  2. Step 2: Convert to fraction form
    247,508,510.40/371,017,821.60 = 109,409,083.20/x
  3. Step 3: Cross multiply
    247,508,510.40x = 371,017,821.60 × 109,409,083.20
  4. Step 4: Simplify right side
    247,508,510.40x = 40,592,719,712,117,160
  5. Step 5: Solve for x
    x = 40,592,719,712,117,160/247,508,510.40
  6. Step 6: Final answer
    x = 164,005,349.34

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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.