Home / 47,289,648.40-70,929,223.80-38,755,099.60

Finding the Fourth Proportional to 47,289,648.40, 70,929,223.80 and 38,755,099.60

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Solution

The fourth proportional to 47,289,648.40, 70,929,223.80 and 38,755,099.60 is: 58,128,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,648.40 : 70,929,223.80 = 38,755,099.60 : x
  2. Step 2: Convert to fraction form
    47,289,648.40/70,929,223.80 = 38,755,099.60/x
  3. Step 3: Cross multiply
    47,289,648.40x = 70,929,223.80 × 38,755,099.60
  4. Step 4: Simplify right side
    47,289,648.40x = 2,748,869,132,919,690.50
  5. Step 5: Solve for x
    x = 2,748,869,132,919,690.50/47,289,648.40
  6. Step 6: Final answer
    x = 58,128,347.87

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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.