Home / 101,976,113.52-140,722,637.40-57,922,976.16

Finding the Fourth Proportional to 101,976,113.52, 140,722,637.40 and 57,922,976.16

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Solution

The fourth proportional to 101,976,113.52, 140,722,637.40 and 57,922,976.16 is: 79,931,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,976,113.52 : 140,722,637.40 = 57,922,976.16 : x
  2. Step 2: Convert to fraction form
    101,976,113.52/140,722,637.40 = 57,922,976.16/x
  3. Step 3: Cross multiply
    101,976,113.52x = 140,722,637.40 × 57,922,976.16
  4. Step 4: Simplify right side
    101,976,113.52x = 8,151,073,971,292,524
  5. Step 5: Solve for x
    x = 8,151,073,971,292,524/101,976,113.52
  6. Step 6: Final answer
    x = 79,931,208.30

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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.