Home / 47,289,636.40-70,929,205.80-38,755,087.60

Finding the Fourth Proportional to 47,289,636.40, 70,929,205.80 and 38,755,087.60

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Solution

The fourth proportional to 47,289,636.40, 70,929,205.80 and 38,755,087.60 is: 58,128,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,636.40 : 70,929,205.80 = 38,755,087.60 : x
  2. Step 2: Convert to fraction form
    47,289,636.40/70,929,205.80 = 38,755,087.60/x
  3. Step 3: Cross multiply
    47,289,636.40x = 70,929,205.80 × 38,755,087.60
  4. Step 4: Simplify right side
    47,289,636.40x = 2,748,867,584,177,428
  5. Step 5: Solve for x
    x = 2,748,867,584,177,428/47,289,636.40
  6. Step 6: Final answer
    x = 58,128,329.87

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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.