Home / 91,858,117.30-137,850,161.55-40,776,795.70

Finding the Fourth Proportional to 91,858,117.30, 137,850,161.55 and 40,776,795.70

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Solution

The fourth proportional to 91,858,117.30, 137,850,161.55 and 40,776,795.70 is: 61,193,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858,117.30 : 137,850,161.55 = 40,776,795.70 : x
  2. Step 2: Convert to fraction form
    91,858,117.30/137,850,161.55 = 40,776,795.70/x
  3. Step 3: Cross multiply
    91,858,117.30x = 137,850,161.55 × 40,776,795.70
  4. Step 4: Simplify right side
    91,858,117.30x = 5,621,087,874,736,346
  5. Step 5: Solve for x
    x = 5,621,087,874,736,346/91,858,117.30
  6. Step 6: Final answer
    x = 61,193,153.53

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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.