Home / 157,169,348.65-235,754,022.98-80,641,844.65

Finding the Fourth Proportional to 157,169,348.65, 235,754,022.98 and 80,641,844.65

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Solution

The fourth proportional to 157,169,348.65, 235,754,022.98 and 80,641,844.65 is: 120,962,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169,348.65 : 235,754,022.98 = 80,641,844.65 : x
  2. Step 2: Convert to fraction form
    157,169,348.65/235,754,022.98 = 80,641,844.65/x
  3. Step 3: Cross multiply
    157,169,348.65x = 235,754,022.98 × 80,641,844.65
  4. Step 4: Simplify right side
    157,169,348.65x = 19,011,639,296,362,480
  5. Step 5: Solve for x
    x = 19,011,639,296,362,480/157,169,348.65
  6. Step 6: Final answer
    x = 120,962,766.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.