Home / 57,677,763.80-86,516,645.70-53,298,320.60

Finding the Fourth Proportional to 57,677,763.80, 86,516,645.70 and 53,298,320.60

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Solution

The fourth proportional to 57,677,763.80, 86,516,645.70 and 53,298,320.60 is: 79,947,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677,763.80 : 86,516,645.70 = 53,298,320.60 : x
  2. Step 2: Convert to fraction form
    57,677,763.80/86,516,645.70 = 53,298,320.60/x
  3. Step 3: Cross multiply
    57,677,763.80x = 86,516,645.70 × 53,298,320.60
  4. Step 4: Simplify right side
    57,677,763.80x = 4,611,191,919,755,212
  5. Step 5: Solve for x
    x = 4,611,191,919,755,212/57,677,763.80
  6. Step 6: Final answer
    x = 79,947,480.90

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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.