Home / 91,341,209.40-137,004,923.61-29,090,008.02

Finding the Fourth Proportional to 91,341,209.40, 137,004,923.61 and 29,090,008.02

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Solution

The fourth proportional to 91,341,209.40, 137,004,923.61 and 29,090,008.02 is: 43,632,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,341,209.40 : 137,004,923.61 = 29,090,008.02 : x
  2. Step 2: Convert to fraction form
    91,341,209.40/137,004,923.61 = 29,090,008.02/x
  3. Step 3: Cross multiply
    91,341,209.40x = 137,004,923.61 × 29,090,008.02
  4. Step 4: Simplify right side
    91,341,209.40x = 3,985,474,326,594,387.50
  5. Step 5: Solve for x
    x = 3,985,474,326,594,387.50/91,341,209.40
  6. Step 6: Final answer
    x = 43,632,817.57

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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.