Home / 57,985,008.80-86,788,255.08-42,628,231.76

Finding the Fourth Proportional to 57,985,008.80, 86,788,255.08 and 42,628,231.76

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Solution

The fourth proportional to 57,985,008.80, 86,788,255.08 and 42,628,231.76 is: 63,803,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985,008.80 : 86,788,255.08 = 42,628,231.76 : x
  2. Step 2: Convert to fraction form
    57,985,008.80/86,788,255.08 = 42,628,231.76/x
  3. Step 3: Cross multiply
    57,985,008.80x = 86,788,255.08 × 42,628,231.76
  4. Step 4: Simplify right side
    57,985,008.80x = 3,699,629,851,596,237
  5. Step 5: Solve for x
    x = 3,699,629,851,596,237/57,985,008.80
  6. Step 6: Final answer
    x = 63,803,212.73

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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.