Home / 261,315,831.02-360,625,363.08-142,232,668.22

Finding the Fourth Proportional to 261,315,831.02, 360,625,363.08 and 142,232,668.22

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Solution

The fourth proportional to 261,315,831.02, 360,625,363.08 and 142,232,668.22 is: 196,286,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,315,831.02 : 360,625,363.08 = 142,232,668.22 : x
  2. Step 2: Convert to fraction form
    261,315,831.02/360,625,363.08 = 142,232,668.22/x
  3. Step 3: Cross multiply
    261,315,831.02x = 360,625,363.08 × 142,232,668.22
  4. Step 4: Simplify right side
    261,315,831.02x = 51,292,707,618,674,672
  5. Step 5: Solve for x
    x = 51,292,707,618,674,672/261,315,831.02
  6. Step 6: Final answer
    x = 196,286,261.79

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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.