Home / 91,867,688.40-137,801,532.60-57,855,464.40

Finding the Fourth Proportional to 91,867,688.40, 137,801,532.60 and 57,855,464.40

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Solution

The fourth proportional to 91,867,688.40, 137,801,532.60 and 57,855,464.40 is: 86,783,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867,688.40 : 137,801,532.60 = 57,855,464.40 : x
  2. Step 2: Convert to fraction form
    91,867,688.40/137,801,532.60 = 57,855,464.40/x
  3. Step 3: Cross multiply
    91,867,688.40x = 137,801,532.60 × 57,855,464.40
  4. Step 4: Simplify right side
    91,867,688.40x = 7,972,571,663,604,739
  5. Step 5: Solve for x
    x = 7,972,571,663,604,739/91,867,688.40
  6. Step 6: Final answer
    x = 86,783,196.60

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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.