Home / 157,265,021.76-235,881,589.41-42,234,617.31

Finding the Fourth Proportional to 157,265,021.76, 235,881,589.41 and 42,234,617.31

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Solution

The fourth proportional to 157,265,021.76, 235,881,589.41 and 42,234,617.31 is: 63,347,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,265,021.76 : 235,881,589.41 = 42,234,617.31 : x
  2. Step 2: Convert to fraction form
    157,265,021.76/235,881,589.41 = 42,234,617.31/x
  3. Step 3: Cross multiply
    157,265,021.76x = 235,881,589.41 × 42,234,617.31
  4. Step 4: Simplify right side
    157,265,021.76x = 9,962,368,659,205,900
  5. Step 5: Solve for x
    x = 9,962,368,659,205,900/157,265,021.76
  6. Step 6: Final answer
    x = 63,347,644.30

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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.