Home / 140,880,020.15-211,321,657.17-42,512,579.03

Finding the Fourth Proportional to 140,880,020.15, 211,321,657.17 and 42,512,579.03

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Solution

The fourth proportional to 140,880,020.15, 211,321,657.17 and 42,512,579.03 is: 63,769,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,020.15 : 211,321,657.17 = 42,512,579.03 : x
  2. Step 2: Convert to fraction form
    140,880,020.15/211,321,657.17 = 42,512,579.03/x
  3. Step 3: Cross multiply
    140,880,020.15x = 211,321,657.17 × 42,512,579.03
  4. Step 4: Simplify right side
    140,880,020.15x = 8,983,828,650,133,582
  5. Step 5: Solve for x
    x = 8,983,828,650,133,582/140,880,020.15
  6. Step 6: Final answer
    x = 63,769,359.49

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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.