Home / 258,613,774.90-356,840,018.65-152,784,420.46

Finding the Fourth Proportional to 258,613,774.90, 356,840,018.65 and 152,784,420.46

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Solution

The fourth proportional to 258,613,774.90, 356,840,018.65 and 152,784,420.46 is: 210,814,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,613,774.90 : 356,840,018.65 = 152,784,420.46 : x
  2. Step 2: Convert to fraction form
    258,613,774.90/356,840,018.65 = 152,784,420.46/x
  3. Step 3: Cross multiply
    258,613,774.90x = 356,840,018.65 × 152,784,420.46
  4. Step 4: Simplify right side
    258,613,774.90x = 54,519,595,446,375,840
  5. Step 5: Solve for x
    x = 54,519,595,446,375,840/258,613,774.90
  6. Step 6: Final answer
    x = 210,814,738.96

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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.