Home / 137,824,436.39-190,201,779.32-75,948,760.76

Finding the Fourth Proportional to 137,824,436.39, 190,201,779.32 and 75,948,760.76

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Solution

The fourth proportional to 137,824,436.39, 190,201,779.32 and 75,948,760.76 is: 104,811,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824,436.39 : 190,201,779.32 = 75,948,760.76 : x
  2. Step 2: Convert to fraction form
    137,824,436.39/190,201,779.32 = 75,948,760.76/x
  3. Step 3: Cross multiply
    137,824,436.39x = 190,201,779.32 × 75,948,760.76
  4. Step 4: Simplify right side
    137,824,436.39x = 14,445,589,432,370,242
  5. Step 5: Solve for x
    x = 14,445,589,432,370,242/137,824,436.39
  6. Step 6: Final answer
    x = 104,811,525.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.