Home / 256,317,645.00-353,720,048.45-138,842,975.24

Finding the Fourth Proportional to 256,317,645.00, 353,720,048.45 and 138,842,975.24

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Solution

The fourth proportional to 256,317,645.00, 353,720,048.45 and 138,842,975.24 is: 191,604,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,317,645.00 : 353,720,048.45 = 138,842,975.24 : x
  2. Step 2: Convert to fraction form
    256,317,645.00/353,720,048.45 = 138,842,975.24/x
  3. Step 3: Cross multiply
    256,317,645.00x = 353,720,048.45 × 138,842,975.24
  4. Step 4: Simplify right side
    256,317,645.00x = 49,111,543,927,698,592
  5. Step 5: Solve for x
    x = 49,111,543,927,698,592/256,317,645.00
  6. Step 6: Final answer
    x = 191,604,225.79

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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.