Home / 141,789,661.04-195,673,192.10-79,065,146.77

Finding the Fourth Proportional to 141,789,661.04, 195,673,192.10 and 79,065,146.77

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Solution

The fourth proportional to 141,789,661.04, 195,673,192.10 and 79,065,146.77 is: 109,111,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,789,661.04 : 195,673,192.10 = 79,065,146.77 : x
  2. Step 2: Convert to fraction form
    141,789,661.04/195,673,192.10 = 79,065,146.77/x
  3. Step 3: Cross multiply
    141,789,661.04x = 195,673,192.10 × 79,065,146.77
  4. Step 4: Simplify right side
    141,789,661.04x = 15,470,929,651,456,396
  5. Step 5: Solve for x
    x = 15,470,929,651,456,396/141,789,661.04
  6. Step 6: Final answer
    x = 109,111,831.84

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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.