Home / 147,260,864.90-203,220,607.38-81,179,911.46

Finding the Fourth Proportional to 147,260,864.90, 203,220,607.38 and 81,179,911.46

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Solution

The fourth proportional to 147,260,864.90, 203,220,607.38 and 81,179,911.46 is: 112,028,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260,864.90 : 203,220,607.38 = 81,179,911.46 : x
  2. Step 2: Convert to fraction form
    147,260,864.90/203,220,607.38 = 81,179,911.46/x
  3. Step 3: Cross multiply
    147,260,864.90x = 203,220,607.38 × 81,179,911.46
  4. Step 4: Simplify right side
    147,260,864.90x = 16,497,430,913,955,820
  5. Step 5: Solve for x
    x = 16,497,430,913,955,820/147,260,864.90
  6. Step 6: Final answer
    x = 112,028,616.19

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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.