Home / 256,131,502.93-353,461,588.16-138,656,829.37

Finding the Fourth Proportional to 256,131,502.93, 353,461,588.16 and 138,656,829.37

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Solution

The fourth proportional to 256,131,502.93, 353,461,588.16 and 138,656,829.37 is: 191,346,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,131,502.93 : 353,461,588.16 = 138,656,829.37 : x
  2. Step 2: Convert to fraction form
    256,131,502.93/353,461,588.16 = 138,656,829.37/x
  3. Step 3: Cross multiply
    256,131,502.93x = 353,461,588.16 × 138,656,829.37
  4. Step 4: Simplify right side
    256,131,502.93x = 49,009,863,118,350,336
  5. Step 5: Solve for x
    x = 49,009,863,118,350,336/256,131,502.93
  6. Step 6: Final answer
    x = 191,346,486.31

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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.