Home / 85,930,732,928.75-118,579,068,334.13-47,347,493,649.48

Finding the Fourth Proportional to 85,930,732,928.75, 118,579,068,334.13 and 47,347,493,649.48

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Solution

The fourth proportional to 85,930,732,928.75, 118,579,068,334.13 and 47,347,493,649.48 is: 65,336,597,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,930,732,928.75 : 118,579,068,334.13 = 47,347,493,649.48 : x
  2. Step 2: Convert to fraction form
    85,930,732,928.75/118,579,068,334.13 = 47,347,493,649.48/x
  3. Step 3: Cross multiply
    85,930,732,928.75x = 118,579,068,334.13 × 47,347,493,649.48
  4. Step 4: Simplify right side
    85,930,732,928.75x = 5,614,421,684,911,475,785,728
  5. Step 5: Solve for x
    x = 5,614,421,684,911,475,785,728/85,930,732,928.75
  6. Step 6: Final answer
    x = 65,336,597,205.18

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Double scale
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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.