Home / 218,196,613.38-301,117,710.15-119,083,717.74

Finding the Fourth Proportional to 218,196,613.38, 301,117,710.15 and 119,083,717.74

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Solution

The fourth proportional to 218,196,613.38, 301,117,710.15 and 119,083,717.74 is: 164,339,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,196,613.38 : 301,117,710.15 = 119,083,717.74 : x
  2. Step 2: Convert to fraction form
    218,196,613.38/301,117,710.15 = 119,083,717.74/x
  3. Step 3: Cross multiply
    218,196,613.38x = 301,117,710.15 × 119,083,717.74
  4. Step 4: Simplify right side
    218,196,613.38x = 35,858,216,402,017,728
  5. Step 5: Solve for x
    x = 35,858,216,402,017,728/218,196,613.38
  6. Step 6: Final answer
    x = 164,339,014.46

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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.