Home / 215,583,762.65-323,378,237.15-60,128,104.87

Finding the Fourth Proportional to 215,583,762.65, 323,378,237.15 and 60,128,104.87

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Solution

The fourth proportional to 215,583,762.65, 323,378,237.15 and 60,128,104.87 is: 90,192,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,583,762.65 : 323,378,237.15 = 60,128,104.87 : x
  2. Step 2: Convert to fraction form
    215,583,762.65/323,378,237.15 = 60,128,104.87/x
  3. Step 3: Cross multiply
    215,583,762.65x = 323,378,237.15 × 60,128,104.87
  4. Step 4: Simplify right side
    215,583,762.65x = 19,444,120,554,113,396
  5. Step 5: Solve for x
    x = 19,444,120,554,113,396/215,583,762.65
  6. Step 6: Final answer
    x = 90,192,880.56

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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.