Home / 85,019,688.30-127,529,532.45-41,972,967.30

Finding the Fourth Proportional to 85,019,688.30, 127,529,532.45 and 41,972,967.30

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Solution

The fourth proportional to 85,019,688.30, 127,529,532.45 and 41,972,967.30 is: 62,959,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019,688.30 : 127,529,532.45 = 41,972,967.30 : x
  2. Step 2: Convert to fraction form
    85,019,688.30/127,529,532.45 = 41,972,967.30/x
  3. Step 3: Cross multiply
    85,019,688.30x = 127,529,532.45 × 41,972,967.30
  4. Step 4: Simplify right side
    85,019,688.30x = 5,352,792,895,308,139
  5. Step 5: Solve for x
    x = 5,352,792,895,308,139/85,019,688.30
  6. Step 6: Final answer
    x = 62,959,450.95

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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.