Home / 60,109,533.45-90,168,040.22-21,771,379.71

Finding the Fourth Proportional to 60,109,533.45, 90,168,040.22 and 21,771,379.71

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Solution

The fourth proportional to 60,109,533.45, 90,168,040.22 and 21,771,379.71 is: 32,658,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109,533.45 : 90,168,040.22 = 21,771,379.71 : x
  2. Step 2: Convert to fraction form
    60,109,533.45/90,168,040.22 = 21,771,379.71/x
  3. Step 3: Cross multiply
    60,109,533.45x = 90,168,040.22 × 21,771,379.71
  4. Step 4: Simplify right side
    60,109,533.45x = 1,963,082,641,227,315.25
  5. Step 5: Solve for x
    x = 1,963,082,641,227,315.25/60,109,533.45
  6. Step 6: Final answer
    x = 32,658,424.19

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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.