Home / 255,845,478.35-353,066,751.07-138,370,805.75

Finding the Fourth Proportional to 255,845,478.35, 353,066,751.07 and 138,370,805.75

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Solution

The fourth proportional to 255,845,478.35, 353,066,751.07 and 138,370,805.75 is: 190,951,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,845,478.35 : 353,066,751.07 = 138,370,805.75 : x
  2. Step 2: Convert to fraction form
    255,845,478.35/353,066,751.07 = 138,370,805.75/x
  3. Step 3: Cross multiply
    255,845,478.35x = 353,066,751.07 × 138,370,805.75
  4. Step 4: Simplify right side
    255,845,478.35x = 48,854,130,829,090,576
  5. Step 5: Solve for x
    x = 48,854,130,829,090,576/255,845,478.35
  6. Step 6: Final answer
    x = 190,951,707.04

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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.