Home / 157,382,862.30-236,074,293.45-55,133,613.90

Finding the Fourth Proportional to 157,382,862.30, 236,074,293.45 and 55,133,613.90

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Solution

The fourth proportional to 157,382,862.30, 236,074,293.45 and 55,133,613.90 is: 82,700,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382,862.30 : 236,074,293.45 = 55,133,613.90 : x
  2. Step 2: Convert to fraction form
    157,382,862.30/236,074,293.45 = 55,133,613.90/x
  3. Step 3: Cross multiply
    157,382,862.30x = 236,074,293.45 × 55,133,613.90
  4. Step 4: Simplify right side
    157,382,862.30x = 13,015,628,946,787,598
  5. Step 5: Solve for x
    x = 13,015,628,946,787,598/157,382,862.30
  6. Step 6: Final answer
    x = 82,700,420.85

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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.