Home / 157,399,322.58-235,782,787.41-78,377,761.35

Finding the Fourth Proportional to 157,399,322.58, 235,782,787.41 and 78,377,761.35

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Solution

The fourth proportional to 157,399,322.58, 235,782,787.41 and 78,377,761.35 is: 117,409,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,399,322.58 : 235,782,787.41 = 78,377,761.35 : x
  2. Step 2: Convert to fraction form
    157,399,322.58/235,782,787.41 = 78,377,761.35/x
  3. Step 3: Cross multiply
    157,399,322.58x = 235,782,787.41 × 78,377,761.35
  4. Step 4: Simplify right side
    157,399,322.58x = 18,480,127,042,058,764
  5. Step 5: Solve for x
    x = 18,480,127,042,058,764/157,399,322.58
  6. Step 6: Final answer
    x = 117,409,190.45

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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.