Home / 491,196,143.16-736,900,152.84-141,439,857.12

Finding the Fourth Proportional to 491,196,143.16, 736,900,152.84 and 141,439,857.12

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Solution

The fourth proportional to 491,196,143.16, 736,900,152.84 and 141,439,857.12 is: 212,190,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,196,143.16 : 736,900,152.84 = 141,439,857.12 : x
  2. Step 2: Convert to fraction form
    491,196,143.16/736,900,152.84 = 141,439,857.12/x
  3. Step 3: Cross multiply
    491,196,143.16x = 736,900,152.84 × 141,439,857.12
  4. Step 4: Simplify right side
    491,196,143.16x = 104,227,052,329,395,776
  5. Step 5: Solve for x
    x = 104,227,052,329,395,776/491,196,143.16
  6. Step 6: Final answer
    x = 212,190,290.54

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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.