Home / 65,658,930.36-90,606,509.10-36,288,744.12

Finding the Fourth Proportional to 65,658,930.36, 90,606,509.10 and 36,288,744.12

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Solution

The fourth proportional to 65,658,930.36, 90,606,509.10 and 36,288,744.12 is: 50,076,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658,930.36 : 90,606,509.10 = 36,288,744.12 : x
  2. Step 2: Convert to fraction form
    65,658,930.36/90,606,509.10 = 36,288,744.12/x
  3. Step 3: Cross multiply
    65,658,930.36x = 90,606,509.10 × 36,288,744.12
  4. Step 4: Simplify right side
    65,658,930.36x = 3,287,996,424,336,351
  5. Step 5: Solve for x
    x = 3,287,996,424,336,351/65,658,930.36
  6. Step 6: Final answer
    x = 50,076,911.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.