Home / 279,049,657.17-385,125,196.05-160,018,830.57

Finding the Fourth Proportional to 279,049,657.17, 385,125,196.05 and 160,018,830.57

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Solution

The fourth proportional to 279,049,657.17, 385,125,196.05 and 160,018,830.57 is: 220,847,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,049,657.17 : 385,125,196.05 = 160,018,830.57 : x
  2. Step 2: Convert to fraction form
    279,049,657.17/385,125,196.05 = 160,018,830.57/x
  3. Step 3: Cross multiply
    279,049,657.17x = 385,125,196.05 × 160,018,830.57
  4. Step 4: Simplify right side
    279,049,657.17x = 61,627,283,494,962,984
  5. Step 5: Solve for x
    x = 61,627,283,494,962,984/279,049,657.17
  6. Step 6: Final answer
    x = 220,847,013.83

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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.