Home / 265,220,940.80-397,831,411.20-83,468,118.80

Finding the Fourth Proportional to 265,220,940.80, 397,831,411.20 and 83,468,118.80

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Solution

The fourth proportional to 265,220,940.80, 397,831,411.20 and 83,468,118.80 is: 125,202,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,220,940.80 : 397,831,411.20 = 83,468,118.80 : x
  2. Step 2: Convert to fraction form
    265,220,940.80/397,831,411.20 = 83,468,118.80/x
  3. Step 3: Cross multiply
    265,220,940.80x = 397,831,411.20 × 83,468,118.80
  4. Step 4: Simplify right side
    265,220,940.80x = 33,206,239,492,413,248
  5. Step 5: Solve for x
    x = 33,206,239,492,413,248/265,220,940.80
  6. Step 6: Final answer
    x = 125,202,178.20

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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.