Home / 101,161,161.25-139,605,787.66-61,995,374.41

Finding the Fourth Proportional to 101,161,161.25, 139,605,787.66 and 61,995,374.41

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Solution

The fourth proportional to 101,161,161.25, 139,605,787.66 and 61,995,374.41 is: 85,555,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,161,161.25 : 139,605,787.66 = 61,995,374.41 : x
  2. Step 2: Convert to fraction form
    101,161,161.25/139,605,787.66 = 61,995,374.41/x
  3. Step 3: Cross multiply
    101,161,161.25x = 139,605,787.66 × 61,995,374.41
  4. Step 4: Simplify right side
    101,161,161.25x = 8,654,913,075,784,657
  5. Step 5: Solve for x
    x = 8,654,913,075,784,657/101,161,161.25
  6. Step 6: Final answer
    x = 85,555,691.22

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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.