Home / 448,561,889.01-672,842,833.51-121,036,876.65

Finding the Fourth Proportional to 448,561,889.01, 672,842,833.51 and 121,036,876.65

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Solution

The fourth proportional to 448,561,889.01, 672,842,833.51 and 121,036,876.65 is: 181,555,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,561,889.01 : 672,842,833.51 = 121,036,876.65 : x
  2. Step 2: Convert to fraction form
    448,561,889.01/672,842,833.51 = 121,036,876.65/x
  3. Step 3: Cross multiply
    448,561,889.01x = 672,842,833.51 × 121,036,876.65
  4. Step 4: Simplify right side
    448,561,889.01x = 81,438,795,044,386,352
  5. Step 5: Solve for x
    x = 81,438,795,044,386,352/448,561,889.01
  6. Step 6: Final answer
    x = 181,555,314.97

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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.