Home / 77,760,400.40-116,640,600.60-62,643,856.40

Finding the Fourth Proportional to 77,760,400.40, 116,640,600.60 and 62,643,856.40

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Solution

The fourth proportional to 77,760,400.40, 116,640,600.60 and 62,643,856.40 is: 93,965,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,400.40 : 116,640,600.60 = 62,643,856.40 : x
  2. Step 2: Convert to fraction form
    77,760,400.40/116,640,600.60 = 62,643,856.40/x
  3. Step 3: Cross multiply
    77,760,400.40x = 116,640,600.60 × 62,643,856.40
  4. Step 4: Simplify right side
    77,760,400.40x = 7,306,817,034,396,153
  5. Step 5: Solve for x
    x = 7,306,817,034,396,153/77,760,400.40
  6. Step 6: Final answer
    x = 93,965,784.60

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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.