Home / 57,939,928.47-86,896,409.74-21,565,449.23

Finding the Fourth Proportional to 57,939,928.47, 86,896,409.74 and 21,565,449.23

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Solution

The fourth proportional to 57,939,928.47, 86,896,409.74 and 21,565,449.23 is: 32,343,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939,928.47 : 86,896,409.74 = 21,565,449.23 : x
  2. Step 2: Convert to fraction form
    57,939,928.47/86,896,409.74 = 21,565,449.23/x
  3. Step 3: Cross multiply
    57,939,928.47x = 86,896,409.74 × 21,565,449.23
  4. Step 4: Simplify right side
    57,939,928.47x = 1,873,960,112,028,852
  5. Step 5: Solve for x
    x = 1,873,960,112,028,852/57,939,928.47
  6. Step 6: Final answer
    x = 32,343,155.43

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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.