Home / 340,496,447.60-510,811,026.60-135,989,721.20

Finding the Fourth Proportional to 340,496,447.60, 510,811,026.60 and 135,989,721.20

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Solution

The fourth proportional to 340,496,447.60, 510,811,026.60 and 135,989,721.20 is: 204,011,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,496,447.60 : 510,811,026.60 = 135,989,721.20 : x
  2. Step 2: Convert to fraction form
    340,496,447.60/510,811,026.60 = 135,989,721.20/x
  3. Step 3: Cross multiply
    340,496,447.60x = 510,811,026.60 × 135,989,721.20
  4. Step 4: Simplify right side
    340,496,447.60x = 69,465,049,093,219,784
  5. Step 5: Solve for x
    x = 69,465,049,093,219,784/340,496,447.60
  6. Step 6: Final answer
    x = 204,011,083.18

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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.