Home / 48,389,640.60-72,584,460.90-47,255,899.80

Finding the Fourth Proportional to 48,389,640.60, 72,584,460.90 and 47,255,899.80

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Solution

The fourth proportional to 48,389,640.60, 72,584,460.90 and 47,255,899.80 is: 70,883,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,640.60 : 72,584,460.90 = 47,255,899.80 : x
  2. Step 2: Convert to fraction form
    48,389,640.60/72,584,460.90 = 47,255,899.80/x
  3. Step 3: Cross multiply
    48,389,640.60x = 72,584,460.90 × 47,255,899.80
  4. Step 4: Simplify right side
    48,389,640.60x = 3,430,044,011,327,418
  5. Step 5: Solve for x
    x = 3,430,044,011,327,418/48,389,640.60
  6. Step 6: Final answer
    x = 70,883,849.70

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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.