Home / 99,636,521.29-137,481,370.99-57,810,998.20

Finding the Fourth Proportional to 99,636,521.29, 137,481,370.99 and 57,810,998.20

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Solution

The fourth proportional to 99,636,521.29, 137,481,370.99 and 57,810,998.20 is: 79,769,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636,521.29 : 137,481,370.99 = 57,810,998.20 : x
  2. Step 2: Convert to fraction form
    99,636,521.29/137,481,370.99 = 57,810,998.20/x
  3. Step 3: Cross multiply
    99,636,521.29x = 137,481,370.99 × 57,810,998.20
  4. Step 4: Simplify right side
    99,636,521.29x = 7,947,935,290,836,423
  5. Step 5: Solve for x
    x = 7,947,935,290,836,423/99,636,521.29
  6. Step 6: Final answer
    x = 79,769,297.32

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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.