Home / 119,882,777.81-165,438,231.30-64,878,634.31

Finding the Fourth Proportional to 119,882,777.81, 165,438,231.30 and 64,878,634.31

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Solution

The fourth proportional to 119,882,777.81, 165,438,231.30 and 64,878,634.31 is: 89,532,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,777.81 : 165,438,231.30 = 64,878,634.31 : x
  2. Step 2: Convert to fraction form
    119,882,777.81/165,438,231.30 = 64,878,634.31/x
  3. Step 3: Cross multiply
    119,882,777.81x = 165,438,231.30 × 64,878,634.31
  4. Step 4: Simplify right side
    119,882,777.81x = 10,733,406,508,578,706
  5. Step 5: Solve for x
    x = 10,733,406,508,578,706/119,882,777.81
  6. Step 6: Final answer
    x = 89,532,514.22

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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.