Home / 91,347,068.70-137,020,603.05-23,189,760.45

Finding the Fourth Proportional to 91,347,068.70, 137,020,603.05 and 23,189,760.45

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Solution

The fourth proportional to 91,347,068.70, 137,020,603.05 and 23,189,760.45 is: 34,784,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347,068.70 : 137,020,603.05 = 23,189,760.45 : x
  2. Step 2: Convert to fraction form
    91,347,068.70/137,020,603.05 = 23,189,760.45/x
  3. Step 3: Cross multiply
    91,347,068.70x = 137,020,603.05 × 23,189,760.45
  4. Step 4: Simplify right side
    91,347,068.70x = 3,177,474,961,444,039.50
  5. Step 5: Solve for x
    x = 3,177,474,961,444,039.50/91,347,068.70
  6. Step 6: Final answer
    x = 34,784,640.68

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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.