Home / 157,382,868.30-236,074,302.45-55,133,619.90

Finding the Fourth Proportional to 157,382,868.30, 236,074,302.45 and 55,133,619.90

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Solution

The fourth proportional to 157,382,868.30, 236,074,302.45 and 55,133,619.90 is: 82,700,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382,868.30 : 236,074,302.45 = 55,133,619.90 : x
  2. Step 2: Convert to fraction form
    157,382,868.30/236,074,302.45 = 55,133,619.90/x
  3. Step 3: Cross multiply
    157,382,868.30x = 236,074,302.45 × 55,133,619.90
  4. Step 4: Simplify right side
    157,382,868.30x = 13,015,630,859,435,938
  5. Step 5: Solve for x
    x = 13,015,630,859,435,938/157,382,868.30
  6. Step 6: Final answer
    x = 82,700,429.85

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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.