Home / 140,941,730.20-211,349,609.70-54,651,458.20

Finding the Fourth Proportional to 140,941,730.20, 211,349,609.70 and 54,651,458.20

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Solution

The fourth proportional to 140,941,730.20, 211,349,609.70 and 54,651,458.20 is: 81,952,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941,730.20 : 211,349,609.70 = 54,651,458.20 : x
  2. Step 2: Convert to fraction form
    140,941,730.20/211,349,609.70 = 54,651,458.20/x
  3. Step 3: Cross multiply
    140,941,730.20x = 211,349,609.70 × 54,651,458.20
  4. Step 4: Simplify right side
    140,941,730.20x = 11,550,564,360,105,864
  5. Step 5: Solve for x
    x = 11,550,564,360,105,864/140,941,730.20
  6. Step 6: Final answer
    x = 81,952,764.05

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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.