Home / 78,081,531.84-117,098,714.95-23,479,622.75

Finding the Fourth Proportional to 78,081,531.84, 117,098,714.95 and 23,479,622.75

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Solution

The fourth proportional to 78,081,531.84, 117,098,714.95 and 23,479,622.75 is: 35,212,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,081,531.84 : 117,098,714.95 = 23,479,622.75 : x
  2. Step 2: Convert to fraction form
    78,081,531.84/117,098,714.95 = 23,479,622.75/x
  3. Step 3: Cross multiply
    78,081,531.84x = 117,098,714.95 × 23,479,622.75
  4. Step 4: Simplify right side
    78,081,531.84x = 2,749,433,651,535,785
  5. Step 5: Solve for x
    x = 2,749,433,651,535,785/78,081,531.84
  6. Step 6: Final answer
    x = 35,212,342.62

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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.