Home / 140,909,875.20-211,364,812.80-64,382,371.20

Finding the Fourth Proportional to 140,909,875.20, 211,364,812.80 and 64,382,371.20

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Solution

The fourth proportional to 140,909,875.20, 211,364,812.80 and 64,382,371.20 is: 96,573,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,909,875.20 : 211,364,812.80 = 64,382,371.20 : x
  2. Step 2: Convert to fraction form
    140,909,875.20/211,364,812.80 = 64,382,371.20/x
  3. Step 3: Cross multiply
    140,909,875.20x = 211,364,812.80 × 64,382,371.20
  4. Step 4: Simplify right side
    140,909,875.20x = 13,608,167,836,308,112
  5. Step 5: Solve for x
    x = 13,608,167,836,308,112/140,909,875.20
  6. Step 6: Final answer
    x = 96,573,556.80

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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.