Home / 129,736,370.49-179,036,074.67-73,233,012.36

Finding the Fourth Proportional to 129,736,370.49, 179,036,074.67 and 73,233,012.36

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Solution

The fourth proportional to 129,736,370.49, 179,036,074.67 and 73,233,012.36 is: 101,061,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736,370.49 : 179,036,074.67 = 73,233,012.36 : x
  2. Step 2: Convert to fraction form
    129,736,370.49/179,036,074.67 = 73,233,012.36/x
  3. Step 3: Cross multiply
    129,736,370.49x = 179,036,074.67 × 73,233,012.36
  4. Step 4: Simplify right side
    129,736,370.49x = 13,111,351,068,194,292
  5. Step 5: Solve for x
    x = 13,111,351,068,194,292/129,736,370.49
  6. Step 6: Final answer
    x = 101,061,491.23

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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.