Home / 249,645,910.48-374,504,687.16-77,137,786.96

Finding the Fourth Proportional to 249,645,910.48, 374,504,687.16 and 77,137,786.96

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Solution

The fourth proportional to 249,645,910.48, 374,504,687.16 and 77,137,786.96 is: 115,717,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,645,910.48 : 374,504,687.16 = 77,137,786.96 : x
  2. Step 2: Convert to fraction form
    249,645,910.48/374,504,687.16 = 77,137,786.96/x
  3. Step 3: Cross multiply
    249,645,910.48x = 374,504,687.16 × 77,137,786.96
  4. Step 4: Simplify right side
    249,645,910.48x = 28,888,462,773,669,528
  5. Step 5: Solve for x
    x = 28,888,462,773,669,528/249,645,910.48
  6. Step 6: Final answer
    x = 115,717,748.86

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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.