Home / 154,705,284.02-213,497,330.91-85,092,491.73

Finding the Fourth Proportional to 154,705,284.02, 213,497,330.91 and 85,092,491.73

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Solution

The fourth proportional to 154,705,284.02, 213,497,330.91 and 85,092,491.73 is: 117,429,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,705,284.02 : 213,497,330.91 = 85,092,491.73 : x
  2. Step 2: Convert to fraction form
    154,705,284.02/213,497,330.91 = 85,092,491.73/x
  3. Step 3: Cross multiply
    154,705,284.02x = 213,497,330.91 × 85,092,491.73
  4. Step 4: Simplify right side
    154,705,284.02x = 18,167,019,864,836,248
  5. Step 5: Solve for x
    x = 18,167,019,864,836,248/154,705,284.02
  6. Step 6: Final answer
    x = 117,429,860.14

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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.