Home / 269,727,976-372,225,779.76-145,968,664.06

Finding the Fourth Proportional to 269,727,976, 372,225,779.76 and 145,968,664.06

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Solution

The fourth proportional to 269,727,976, 372,225,779.76 and 145,968,664.06 is: 201,437,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,727,976 : 372,225,779.76 = 145,968,664.06 : x
  2. Step 2: Convert to fraction form
    269,727,976/372,225,779.76 = 145,968,664.06/x
  3. Step 3: Cross multiply
    269,727,976x = 372,225,779.76 × 145,968,664.06
  4. Step 4: Simplify right side
    269,727,976x = 54,333,299,800,258,984
  5. Step 5: Solve for x
    x = 54,333,299,800,258,984/269,727,976
  6. Step 6: Final answer
    x = 201,437,391.13

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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.