Home / 266,836,019.55-368,237,467.11-153,743,008.08

Finding the Fourth Proportional to 266,836,019.55, 368,237,467.11 and 153,743,008.08

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Solution

The fourth proportional to 266,836,019.55, 368,237,467.11 and 153,743,008.08 is: 212,167,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,836,019.55 : 368,237,467.11 = 153,743,008.08 : x
  2. Step 2: Convert to fraction form
    266,836,019.55/368,237,467.11 = 153,743,008.08/x
  3. Step 3: Cross multiply
    266,836,019.55x = 368,237,467.11 × 153,743,008.08
  4. Step 4: Simplify right side
    266,836,019.55x = 56,613,935,881,251,472
  5. Step 5: Solve for x
    x = 56,613,935,881,251,472/266,836,019.55
  6. Step 6: Final answer
    x = 212,167,517.63

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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.