Home / 174,939,009.60-262,440,007.20-72,713,380.80

Finding the Fourth Proportional to 174,939,009.60, 262,440,007.20 and 72,713,380.80

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Solution

The fourth proportional to 174,939,009.60, 262,440,007.20 and 72,713,380.80 is: 109,083,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,939,009.60 : 262,440,007.20 = 72,713,380.80 : x
  2. Step 2: Convert to fraction form
    174,939,009.60/262,440,007.20 = 72,713,380.80/x
  3. Step 3: Cross multiply
    174,939,009.60x = 262,440,007.20 × 72,713,380.80
  4. Step 4: Simplify right side
    174,939,009.60x = 19,082,900,180,688,340
  5. Step 5: Solve for x
    x = 19,082,900,180,688,340/174,939,009.60
  6. Step 6: Final answer
    x = 109,083,161.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.