Home / 134,563,767.70-185,698,073.91-72,684,106.26

Finding the Fourth Proportional to 134,563,767.70, 185,698,073.91 and 72,684,106.26

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Solution

The fourth proportional to 134,563,767.70, 185,698,073.91 and 72,684,106.26 is: 100,304,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563,767.70 : 185,698,073.91 = 72,684,106.26 : x
  2. Step 2: Convert to fraction form
    134,563,767.70/185,698,073.91 = 72,684,106.26/x
  3. Step 3: Cross multiply
    134,563,767.70x = 185,698,073.91 × 72,684,106.26
  4. Step 4: Simplify right side
    134,563,767.70x = 13,497,298,536,351,774
  5. Step 5: Solve for x
    x = 13,497,298,536,351,774/134,563,767.70
  6. Step 6: Final answer
    x = 100,304,106.87

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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.