Home / 238,976,230.42-358,528,137.09-85,637,787.22

Finding the Fourth Proportional to 238,976,230.42, 358,528,137.09 and 85,637,787.22

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Solution

The fourth proportional to 238,976,230.42, 358,528,137.09 and 85,637,787.22 is: 128,479,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,976,230.42 : 358,528,137.09 = 85,637,787.22 : x
  2. Step 2: Convert to fraction form
    238,976,230.42/358,528,137.09 = 85,637,787.22/x
  3. Step 3: Cross multiply
    238,976,230.42x = 358,528,137.09 × 85,637,787.22
  4. Step 4: Simplify right side
    238,976,230.42x = 30,703,556,316,496,408
  5. Step 5: Solve for x
    x = 30,703,556,316,496,408/238,976,230.42
  6. Step 6: Final answer
    x = 128,479,540.67

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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.