Home / 108,819,802.43-150,177,639.08-81,949,026.00

Finding the Fourth Proportional to 108,819,802.43, 150,177,639.08 and 81,949,026.00

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Solution

The fourth proportional to 108,819,802.43, 150,177,639.08 and 81,949,026.00 is: 113,094,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,819,802.43 : 150,177,639.08 = 81,949,026.00 : x
  2. Step 2: Convert to fraction form
    108,819,802.43/150,177,639.08 = 81,949,026.00/x
  3. Step 3: Cross multiply
    108,819,802.43x = 150,177,639.08 × 81,949,026.00
  4. Step 4: Simplify right side
    108,819,802.43x = 12,306,911,248,625,974
  5. Step 5: Solve for x
    x = 12,306,911,248,625,974/108,819,802.43
  6. Step 6: Final answer
    x = 113,094,409.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.