Home / 57,478,301.20-86,217,451.80-52,775,376.40

Finding the Fourth Proportional to 57,478,301.20, 86,217,451.80 and 52,775,376.40

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Solution

The fourth proportional to 57,478,301.20, 86,217,451.80 and 52,775,376.40 is: 79,163,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,301.20 : 86,217,451.80 = 52,775,376.40 : x
  2. Step 2: Convert to fraction form
    57,478,301.20/86,217,451.80 = 52,775,376.40/x
  3. Step 3: Cross multiply
    57,478,301.20x = 86,217,451.80 × 52,775,376.40
  4. Step 4: Simplify right side
    57,478,301.20x = 4,550,158,470,993,857
  5. Step 5: Solve for x
    x = 4,550,158,470,993,857/57,478,301.20
  6. Step 6: Final answer
    x = 79,163,064.60

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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.