Home / 347,633,710.80-521,520,550.20-101,989,870.80

Finding the Fourth Proportional to 347,633,710.80, 521,520,550.20 and 101,989,870.80

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Solution

The fourth proportional to 347,633,710.80, 521,520,550.20 and 101,989,870.80 is: 153,005,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633,710.80 : 521,520,550.20 = 101,989,870.80 : x
  2. Step 2: Convert to fraction form
    347,633,710.80/521,520,550.20 = 101,989,870.80/x
  3. Step 3: Cross multiply
    347,633,710.80x = 521,520,550.20 × 101,989,870.80
  4. Step 4: Simplify right side
    347,633,710.80x = 53,189,813,534,442,912
  5. Step 5: Solve for x
    x = 53,189,813,534,442,912/347,633,710.80
  6. Step 6: Final answer
    x = 153,005,338.33

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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.