Home / 137,609,919.06-189,901,633.50-75,730,257.60

Finding the Fourth Proportional to 137,609,919.06, 189,901,633.50 and 75,730,257.60

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Solution

The fourth proportional to 137,609,919.06, 189,901,633.50 and 75,730,257.60 is: 104,507,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609,919.06 : 189,901,633.50 = 75,730,257.60 : x
  2. Step 2: Convert to fraction form
    137,609,919.06/189,901,633.50 = 75,730,257.60/x
  3. Step 3: Cross multiply
    137,609,919.06x = 189,901,633.50 × 75,730,257.60
  4. Step 4: Simplify right side
    137,609,919.06x = 14,381,299,623,615,788
  5. Step 5: Solve for x
    x = 14,381,299,623,615,788/137,609,919.06
  6. Step 6: Final answer
    x = 104,507,725.33

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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.