Home / 209,421,657.37-289,033,306.35-159,103,073.17

Finding the Fourth Proportional to 209,421,657.37, 289,033,306.35 and 159,103,073.17

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Solution

The fourth proportional to 209,421,657.37, 289,033,306.35 and 159,103,073.17 is: 219,586,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,421,657.37 : 289,033,306.35 = 159,103,073.17 : x
  2. Step 2: Convert to fraction form
    209,421,657.37/289,033,306.35 = 159,103,073.17/x
  3. Step 3: Cross multiply
    209,421,657.37x = 289,033,306.35 × 159,103,073.17
  4. Step 4: Simplify right side
    209,421,657.37x = 45,986,087,287,252,976
  5. Step 5: Solve for x
    x = 45,986,087,287,252,976/209,421,657.37
  6. Step 6: Final answer
    x = 219,586,110.93

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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.