Home / 84,436,315.35-116,462,046.34-77,489,425.98

Finding the Fourth Proportional to 84,436,315.35, 116,462,046.34 and 77,489,425.98

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Solution

The fourth proportional to 84,436,315.35, 116,462,046.34 and 77,489,425.98 is: 106,880,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,436,315.35 : 116,462,046.34 = 77,489,425.98 : x
  2. Step 2: Convert to fraction form
    84,436,315.35/116,462,046.34 = 77,489,425.98/x
  3. Step 3: Cross multiply
    84,436,315.35x = 116,462,046.34 × 77,489,425.98
  4. Step 4: Simplify right side
    84,436,315.35x = 9,024,577,119,439,622
  5. Step 5: Solve for x
    x = 9,024,577,119,439,622/84,436,315.35
  6. Step 6: Final answer
    x = 106,880,281.10

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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.