Home / 69,721,462.42-104,569,186.12-28,211,460.50

Finding the Fourth Proportional to 69,721,462.42, 104,569,186.12 and 28,211,460.50

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Solution

The fourth proportional to 69,721,462.42, 104,569,186.12 and 28,211,460.50 is: 42,311,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721,462.42 : 104,569,186.12 = 28,211,460.50 : x
  2. Step 2: Convert to fraction form
    69,721,462.42/104,569,186.12 = 28,211,460.50/x
  3. Step 3: Cross multiply
    69,721,462.42x = 104,569,186.12 × 28,211,460.50
  4. Step 4: Simplify right side
    69,721,462.42x = 2,950,049,463,932,423
  5. Step 5: Solve for x
    x = 2,950,049,463,932,423/69,721,462.42
  6. Step 6: Final answer
    x = 42,311,927.51

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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.