Home / 86,162,761.50-118,888,348.77-51,358,690.41

Finding the Fourth Proportional to 86,162,761.50, 118,888,348.77 and 51,358,690.41

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Solution

The fourth proportional to 86,162,761.50, 118,888,348.77 and 51,358,690.41 is: 70,865,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,162,761.50 : 118,888,348.77 = 51,358,690.41 : x
  2. Step 2: Convert to fraction form
    86,162,761.50/118,888,348.77 = 51,358,690.41/x
  3. Step 3: Cross multiply
    86,162,761.50x = 118,888,348.77 × 51,358,690.41
  4. Step 4: Simplify right side
    86,162,761.50x = 6,105,949,897,834,534
  5. Step 5: Solve for x
    x = 6,105,949,897,834,534/86,162,761.50
  6. Step 6: Final answer
    x = 70,865,299.48

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1.5x scale

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.