Home / 140,898,821.76-194,441,782.32-79,017,831.36

Finding the Fourth Proportional to 140,898,821.76, 194,441,782.32 and 79,017,831.36

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Solution

The fourth proportional to 140,898,821.76, 194,441,782.32 and 79,017,831.36 is: 109,045,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898,821.76 : 194,441,782.32 = 79,017,831.36 : x
  2. Step 2: Convert to fraction form
    140,898,821.76/194,441,782.32 = 79,017,831.36/x
  3. Step 3: Cross multiply
    140,898,821.76x = 194,441,782.32 × 79,017,831.36
  4. Step 4: Simplify right side
    140,898,821.76x = 15,364,367,964,699,588
  5. Step 5: Solve for x
    x = 15,364,367,964,699,588/140,898,821.76
  6. Step 6: Final answer
    x = 109,045,397.06

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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.