Home / 340,496,468.60-510,811,058.10-135,989,742.20

Finding the Fourth Proportional to 340,496,468.60, 510,811,058.10 and 135,989,742.20

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Solution

The fourth proportional to 340,496,468.60, 510,811,058.10 and 135,989,742.20 is: 204,011,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,496,468.60 : 510,811,058.10 = 135,989,742.20 : x
  2. Step 2: Convert to fraction form
    340,496,468.60/510,811,058.10 = 135,989,742.20/x
  3. Step 3: Cross multiply
    340,496,468.60x = 510,811,058.10 × 135,989,742.20
  4. Step 4: Simplify right side
    340,496,468.60x = 69,465,064,103,928,216
  5. Step 5: Solve for x
    x = 69,465,064,103,928,216/340,496,468.60
  6. Step 6: Final answer
    x = 204,011,114.68

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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.