Home / 137,760,690.96-190,108,124.37-75,036,591.93

Finding the Fourth Proportional to 137,760,690.96, 190,108,124.37 and 75,036,591.93

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Solution

The fourth proportional to 137,760,690.96, 190,108,124.37 and 75,036,591.93 is: 103,549,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760,690.96 : 190,108,124.37 = 75,036,591.93 : x
  2. Step 2: Convert to fraction form
    137,760,690.96/190,108,124.37 = 75,036,591.93/x
  3. Step 3: Cross multiply
    137,760,690.96x = 190,108,124.37 × 75,036,591.93
  4. Step 4: Simplify right side
    137,760,690.96x = 14,265,065,750,929,380
  5. Step 5: Solve for x
    x = 14,265,065,750,929,380/137,760,690.96
  6. Step 6: Final answer
    x = 103,549,609.48

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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.