Home / 159,710,515.80-220,401,176.13-86,371,657.80

Finding the Fourth Proportional to 159,710,515.80, 220,401,176.13 and 86,371,657.80

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Solution

The fourth proportional to 159,710,515.80, 220,401,176.13 and 86,371,657.80 is: 119,193,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,515.80 : 220,401,176.13 = 86,371,657.80 : x
  2. Step 2: Convert to fraction form
    159,710,515.80/220,401,176.13 = 86,371,657.80/x
  3. Step 3: Cross multiply
    159,710,515.80x = 220,401,176.13 × 86,371,657.80
  4. Step 4: Simplify right side
    159,710,515.80x = 19,036,414,963,417,888
  5. Step 5: Solve for x
    x = 19,036,414,963,417,888/159,710,515.80
  6. Step 6: Final answer
    x = 119,193,247.03

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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.