Home / 124,017,216.80-171,142,401.04-68,261,445.16

Finding the Fourth Proportional to 124,017,216.80, 171,142,401.04 and 68,261,445.16

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Solution

The fourth proportional to 124,017,216.80, 171,142,401.04 and 68,261,445.16 is: 94,200,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017,216.80 : 171,142,401.04 = 68,261,445.16 : x
  2. Step 2: Convert to fraction form
    124,017,216.80/171,142,401.04 = 68,261,445.16/x
  3. Step 3: Cross multiply
    124,017,216.80x = 171,142,401.04 × 68,261,445.16
  4. Step 4: Simplify right side
    124,017,216.80x = 11,682,427,623,142,686
  5. Step 5: Solve for x
    x = 11,682,427,623,142,686/124,017,216.80
  6. Step 6: Final answer
    x = 94,200,046.77

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1.5x scale

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.