Home / 155,196,031.46-214,175,693.70-84,635,491.55

Finding the Fourth Proportional to 155,196,031.46, 214,175,693.70 and 84,635,491.55

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Solution

The fourth proportional to 155,196,031.46, 214,175,693.70 and 84,635,491.55 is: 116,799,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,196,031.46 : 214,175,693.70 = 84,635,491.55 : x
  2. Step 2: Convert to fraction form
    155,196,031.46/214,175,693.70 = 84,635,491.55/x
  3. Step 3: Cross multiply
    155,196,031.46x = 214,175,693.70 × 84,635,491.55
  4. Step 4: Simplify right side
    155,196,031.46x = 18,126,865,113,290,860
  5. Step 5: Solve for x
    x = 18,126,865,113,290,860/155,196,031.46
  6. Step 6: Final answer
    x = 116,799,797.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.