Home / 57,478,465.20-86,217,697.80-37,071,130.80

Finding the Fourth Proportional to 57,478,465.20, 86,217,697.80 and 37,071,130.80

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Solution

The fourth proportional to 57,478,465.20, 86,217,697.80 and 37,071,130.80 is: 55,606,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,465.20 : 86,217,697.80 = 37,071,130.80 : x
  2. Step 2: Convert to fraction form
    57,478,465.20/86,217,697.80 = 37,071,130.80/x
  3. Step 3: Cross multiply
    57,478,465.20x = 86,217,697.80 × 37,071,130.80
  4. Step 4: Simplify right side
    57,478,465.20x = 3,196,187,552,418,672
  5. Step 5: Solve for x
    x = 3,196,187,552,418,672/57,478,465.20
  6. Step 6: Final answer
    x = 55,606,696.20

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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.