Home / 124,367,047-171,625,566.35-68,614,817.24

Finding the Fourth Proportional to 124,367,047, 171,625,566.35 and 68,614,817.24

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Solution

The fourth proportional to 124,367,047, 171,625,566.35 and 68,614,817.24 is: 94,687,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,367,047 : 171,625,566.35 = 68,614,817.24 : x
  2. Step 2: Convert to fraction form
    124,367,047/171,625,566.35 = 68,614,817.24/x
  3. Step 3: Cross multiply
    124,367,047x = 171,625,566.35 × 68,614,817.24
  4. Step 4: Simplify right side
    124,367,047x = 11,776,056,868,816,742
  5. Step 5: Solve for x
    x = 11,776,056,868,816,742/124,367,047
  6. Step 6: Final answer
    x = 94,687,918.97

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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.