Home / 52,507,519.98-72,458,478.11-28,985,551.50

Finding the Fourth Proportional to 52,507,519.98, 72,458,478.11 and 28,985,551.50

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Solution

The fourth proportional to 52,507,519.98, 72,458,478.11 and 28,985,551.50 is: 39,999,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,519.98 : 72,458,478.11 = 28,985,551.50 : x
  2. Step 2: Convert to fraction form
    52,507,519.98/72,458,478.11 = 28,985,551.50/x
  3. Step 3: Cross multiply
    52,507,519.98x = 72,458,478.11 × 28,985,551.50
  4. Step 4: Simplify right side
    52,507,519.98x = 2,100,248,948,869,027.75
  5. Step 5: Solve for x
    x = 2,100,248,948,869,027.75/52,507,519.98
  6. Step 6: Final answer
    x = 39,999,012.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.