Home / 91,494,220.60-137,347,619.10-55,143,656.20

Finding the Fourth Proportional to 91,494,220.60, 137,347,619.10 and 55,143,656.20

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Solution

The fourth proportional to 91,494,220.60, 137,347,619.10 and 55,143,656.20 is: 82,779,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494,220.60 : 137,347,619.10 = 55,143,656.20 : x
  2. Step 2: Convert to fraction form
    91,494,220.60/137,347,619.10 = 55,143,656.20/x
  3. Step 3: Cross multiply
    91,494,220.60x = 137,347,619.10 × 55,143,656.20
  4. Step 4: Simplify right side
    91,494,220.60x = 7,573,849,887,538,954
  5. Step 5: Solve for x
    x = 7,573,849,887,538,954/91,494,220.60
  6. Step 6: Final answer
    x = 82,779,544.30

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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.