Home / 261,417,749.76-360,092,122.56-199,430,471.52

Finding the Fourth Proportional to 261,417,749.76, 360,092,122.56 and 199,430,471.52

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Solution

The fourth proportional to 261,417,749.76, 360,092,122.56 and 199,430,471.52 is: 274,707,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,417,749.76 : 360,092,122.56 = 199,430,471.52 : x
  2. Step 2: Convert to fraction form
    261,417,749.76/360,092,122.56 = 199,430,471.52/x
  3. Step 3: Cross multiply
    261,417,749.76x = 360,092,122.56 × 199,430,471.52
  4. Step 4: Simplify right side
    261,417,749.76x = 71,813,341,792,778,432
  5. Step 5: Solve for x
    x = 71,813,341,792,778,432/261,417,749.76
  6. Step 6: Final answer
    x = 274,707,214.25

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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.