Home / 154,554,415.40-231,831,623.10-82,890,799.40

Finding the Fourth Proportional to 154,554,415.40, 231,831,623.10 and 82,890,799.40

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Solution

The fourth proportional to 154,554,415.40, 231,831,623.10 and 82,890,799.40 is: 124,336,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,554,415.40 : 231,831,623.10 = 82,890,799.40 : x
  2. Step 2: Convert to fraction form
    154,554,415.40/231,831,623.10 = 82,890,799.40/x
  3. Step 3: Cross multiply
    154,554,415.40x = 231,831,623.10 × 82,890,799.40
  4. Step 4: Simplify right side
    154,554,415.40x = 19,216,708,564,958,508
  5. Step 5: Solve for x
    x = 19,216,708,564,958,508/154,554,415.40
  6. Step 6: Final answer
    x = 124,336,199.10

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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.