Home / 145,174,418.79-200,340,589.10-79,984,322.79

Finding the Fourth Proportional to 145,174,418.79, 200,340,589.10 and 79,984,322.79

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Solution

The fourth proportional to 145,174,418.79, 200,340,589.10 and 79,984,322.79 is: 110,378,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174,418.79 : 200,340,589.10 = 79,984,322.79 : x
  2. Step 2: Convert to fraction form
    145,174,418.79/200,340,589.10 = 79,984,322.79/x
  3. Step 3: Cross multiply
    145,174,418.79x = 200,340,589.10 × 79,984,322.79
  4. Step 4: Simplify right side
    145,174,418.79x = 16,024,106,346,113,236
  5. Step 5: Solve for x
    x = 16,024,106,346,113,236/145,174,418.79
  6. Step 6: Final answer
    x = 110,378,305.49

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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.