Home / 371,234,706.80-556,765,672.28-138,175,178.54

Finding the Fourth Proportional to 371,234,706.80, 556,765,672.28 and 138,175,178.54

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Solution

The fourth proportional to 371,234,706.80, 556,765,672.28 and 138,175,178.54 is: 207,230,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,234,706.80 : 556,765,672.28 = 138,175,178.54 : x
  2. Step 2: Convert to fraction form
    371,234,706.80/556,765,672.28 = 138,175,178.54/x
  3. Step 3: Cross multiply
    371,234,706.80x = 556,765,672.28 × 138,175,178.54
  4. Step 4: Simplify right side
    371,234,706.80x = 76,931,196,168,757,424
  5. Step 5: Solve for x
    x = 76,931,196,168,757,424/371,234,706.80
  6. Step 6: Final answer
    x = 207,230,613.84

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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.