Home / 107,676,064.80-161,514,097.20-42,989,853.60

Finding the Fourth Proportional to 107,676,064.80, 161,514,097.20 and 42,989,853.60

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Solution

The fourth proportional to 107,676,064.80, 161,514,097.20 and 42,989,853.60 is: 64,484,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,676,064.80 : 161,514,097.20 = 42,989,853.60 : x
  2. Step 2: Convert to fraction form
    107,676,064.80/161,514,097.20 = 42,989,853.60/x
  3. Step 3: Cross multiply
    107,676,064.80x = 161,514,097.20 × 42,989,853.60
  4. Step 4: Simplify right side
    107,676,064.80x = 6,943,467,392,964,170
  5. Step 5: Solve for x
    x = 6,943,467,392,964,170/107,676,064.80
  6. Step 6: Final answer
    x = 64,484,780.40

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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.