Home / 145,264,895.78-200,463,924.06-79,183,947.20

Finding the Fourth Proportional to 145,264,895.78, 200,463,924.06 and 79,183,947.20

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Solution

The fourth proportional to 145,264,895.78, 200,463,924.06 and 79,183,947.20 is: 109,272,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,264,895.78 : 200,463,924.06 = 79,183,947.20 : x
  2. Step 2: Convert to fraction form
    145,264,895.78/200,463,924.06 = 79,183,947.20/x
  3. Step 3: Cross multiply
    145,264,895.78x = 200,463,924.06 × 79,183,947.20
  4. Step 4: Simplify right side
    145,264,895.78x = 15,873,524,777,269,528
  5. Step 5: Solve for x
    x = 15,873,524,777,269,528/145,264,895.78
  6. Step 6: Final answer
    x = 109,272,957.47

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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.