Home / 434,022,687.15-651,034,030.73-161,337,029.55

Finding the Fourth Proportional to 434,022,687.15, 651,034,030.73 and 161,337,029.55

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Solution

The fourth proportional to 434,022,687.15, 651,034,030.73 and 161,337,029.55 is: 242,005,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022,687.15 : 651,034,030.73 = 161,337,029.55 : x
  2. Step 2: Convert to fraction form
    434,022,687.15/651,034,030.73 = 161,337,029.55/x
  3. Step 3: Cross multiply
    434,022,687.15x = 651,034,030.73 × 161,337,029.55
  4. Step 4: Simplify right side
    434,022,687.15x = 105,035,896,653,134,944
  5. Step 5: Solve for x
    x = 105,035,896,653,134,944/434,022,687.15
  6. Step 6: Final answer
    x = 242,005,544.33

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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.