Home / 60,877,824.06-91,315,683.88-20,488,308.06

Finding the Fourth Proportional to 60,877,824.06, 91,315,683.88 and 20,488,308.06

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Solution

The fourth proportional to 60,877,824.06, 91,315,683.88 and 20,488,308.06 is: 30,732,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,877,824.06 : 91,315,683.88 = 20,488,308.06 : x
  2. Step 2: Convert to fraction form
    60,877,824.06/91,315,683.88 = 20,488,308.06/x
  3. Step 3: Cross multiply
    60,877,824.06x = 91,315,683.88 × 20,488,308.06
  4. Step 4: Simplify right side
    60,877,824.06x = 1,870,903,862,043,015.75
  5. Step 5: Solve for x
    x = 1,870,903,862,043,015.75/60,877,824.06
  6. Step 6: Final answer
    x = 30,732,107.97

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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.