Home / 100,393,386.28-150,596,997.34-42,042,313.26

Finding the Fourth Proportional to 100,393,386.28, 150,596,997.34 and 42,042,313.26

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Solution

The fourth proportional to 100,393,386.28, 150,596,997.34 and 42,042,313.26 is: 63,066,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,393,386.28 : 150,596,997.34 = 42,042,313.26 : x
  2. Step 2: Convert to fraction form
    100,393,386.28/150,596,997.34 = 42,042,313.26/x
  3. Step 3: Cross multiply
    100,393,386.28x = 150,596,997.34 × 42,042,313.26
  4. Step 4: Simplify right side
    100,393,386.28x = 6,331,446,138,078,561
  5. Step 5: Solve for x
    x = 6,331,446,138,078,561/100,393,386.28
  6. Step 6: Final answer
    x = 63,066,366.95

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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.