Home / 106,095,128.71-146,431,334.78-66,421,114.87

Finding the Fourth Proportional to 106,095,128.71, 146,431,334.78 and 66,421,114.87

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Solution

The fourth proportional to 106,095,128.71, 146,431,334.78 and 66,421,114.87 is: 91,673,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,095,128.71 : 146,431,334.78 = 66,421,114.87 : x
  2. Step 2: Convert to fraction form
    106,095,128.71/146,431,334.78 = 66,421,114.87/x
  3. Step 3: Cross multiply
    106,095,128.71x = 146,431,334.78 × 66,421,114.87
  4. Step 4: Simplify right side
    106,095,128.71x = 9,726,132,507,989,806
  5. Step 5: Solve for x
    x = 9,726,132,507,989,806/106,095,128.71
  6. Step 6: Final answer
    x = 91,673,695.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.