Home / 340,455,787.80-510,683,681.70-136,015,416.60

Finding the Fourth Proportional to 340,455,787.80, 510,683,681.70 and 136,015,416.60

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Solution

The fourth proportional to 340,455,787.80, 510,683,681.70 and 136,015,416.60 is: 204,023,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,455,787.80 : 510,683,681.70 = 136,015,416.60 : x
  2. Step 2: Convert to fraction form
    340,455,787.80/510,683,681.70 = 136,015,416.60/x
  3. Step 3: Cross multiply
    340,455,787.80x = 510,683,681.70 × 136,015,416.60
  4. Step 4: Simplify right side
    340,455,787.80x = 69,460,853,717,247,288
  5. Step 5: Solve for x
    x = 69,460,853,717,247,288/340,455,787.80
  6. Step 6: Final answer
    x = 204,023,124.90

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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.