Home / 107,029,076.71-147,720,839.79-69,794,714.02

Finding the Fourth Proportional to 107,029,076.71, 147,720,839.79 and 69,794,714.02

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Solution

The fourth proportional to 107,029,076.71, 147,720,839.79 and 69,794,714.02 is: 96,330,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029,076.71 : 147,720,839.79 = 69,794,714.02 : x
  2. Step 2: Convert to fraction form
    107,029,076.71/147,720,839.79 = 69,794,714.02/x
  3. Step 3: Cross multiply
    107,029,076.71x = 147,720,839.79 × 69,794,714.02
  4. Step 4: Simplify right side
    107,029,076.71x = 10,310,133,767,937,286
  5. Step 5: Solve for x
    x = 10,310,133,767,937,286/107,029,076.71
  6. Step 6: Final answer
    x = 96,330,213.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.