Home / 94,846,782.80-130,816,344.70-81,638,440.04

Finding the Fourth Proportional to 94,846,782.80, 130,816,344.70 and 81,638,440.04

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Solution

The fourth proportional to 94,846,782.80, 130,816,344.70 and 81,638,440.04 is: 112,598,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,846,782.80 : 130,816,344.70 = 81,638,440.04 : x
  2. Step 2: Convert to fraction form
    94,846,782.80/130,816,344.70 = 81,638,440.04/x
  3. Step 3: Cross multiply
    94,846,782.80x = 130,816,344.70 × 81,638,440.04
  4. Step 4: Simplify right side
    94,846,782.80x = 10,679,642,313,472,012
  5. Step 5: Solve for x
    x = 10,679,642,313,472,012/94,846,782.80
  6. Step 6: Final answer
    x = 112,598,888.42

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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.