Home / 42,685,860.30-64,008,856.35-15,388,557.90

Finding the Fourth Proportional to 42,685,860.30, 64,008,856.35 and 15,388,557.90

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Solution

The fourth proportional to 42,685,860.30, 64,008,856.35 and 15,388,557.90 is: 23,075,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,685,860.30 : 64,008,856.35 = 15,388,557.90 : x
  2. Step 2: Convert to fraction form
    42,685,860.30/64,008,856.35 = 15,388,557.90/x
  3. Step 3: Cross multiply
    42,685,860.30x = 64,008,856.35 × 15,388,557.90
  4. Step 4: Simplify right side
    42,685,860.30x = 985,003,992,054,757.75
  5. Step 5: Solve for x
    x = 985,003,992,054,757.75/42,685,860.30
  6. Step 6: Final answer
    x = 23,075,650.46

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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.