Home / 140,880,020.65-211,321,657.92-42,512,579.53

Finding the Fourth Proportional to 140,880,020.65, 211,321,657.92 and 42,512,579.53

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Solution

The fourth proportional to 140,880,020.65, 211,321,657.92 and 42,512,579.53 is: 63,769,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,020.65 : 211,321,657.92 = 42,512,579.53 : x
  2. Step 2: Convert to fraction form
    140,880,020.65/211,321,657.92 = 42,512,579.53/x
  3. Step 3: Cross multiply
    140,880,020.65x = 211,321,657.92 × 42,512,579.53
  4. Step 4: Simplify right side
    140,880,020.65x = 8,983,828,787,678,845
  5. Step 5: Solve for x
    x = 8,983,828,787,678,845/140,880,020.65
  6. Step 6: Final answer
    x = 63,769,360.24

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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.