Home / 134,857,512.32-186,103,367.06-72,977,850.90

Finding the Fourth Proportional to 134,857,512.32, 186,103,367.06 and 72,977,850.90

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Solution

The fourth proportional to 134,857,512.32, 186,103,367.06 and 72,977,850.90 is: 100,709,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,512.32 : 186,103,367.06 = 72,977,850.90 : x
  2. Step 2: Convert to fraction form
    134,857,512.32/186,103,367.06 = 72,977,850.90/x
  3. Step 3: Cross multiply
    134,857,512.32x = 186,103,367.06 × 72,977,850.90
  4. Step 4: Simplify right side
    134,857,512.32x = 13,581,423,772,927,764
  5. Step 5: Solve for x
    x = 13,581,423,772,927,764/134,857,512.32
  6. Step 6: Final answer
    x = 100,709,434.27

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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.