Home / 312,134,679.70-468,060,301.95-117,981,567.70

Finding the Fourth Proportional to 312,134,679.70, 468,060,301.95 and 117,981,567.70

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Solution

The fourth proportional to 312,134,679.70, 468,060,301.95 and 117,981,567.70 is: 176,918,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,134,679.70 : 468,060,301.95 = 117,981,567.70 : x
  2. Step 2: Convert to fraction form
    312,134,679.70/468,060,301.95 = 117,981,567.70/x
  3. Step 3: Cross multiply
    312,134,679.70x = 468,060,301.95 × 117,981,567.70
  4. Step 4: Simplify right side
    312,134,679.70x = 55,222,488,202,196,368
  5. Step 5: Solve for x
    x = 55,222,488,202,196,368/312,134,679.70
  6. Step 6: Final answer
    x = 176,918,784.72

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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.