Home / 127,793,352.90-191,494,971.43-75,875,719.22

Finding the Fourth Proportional to 127,793,352.90, 191,494,971.43 and 75,875,719.22

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Solution

The fourth proportional to 127,793,352.90, 191,494,971.43 and 75,875,719.22 is: 113,697,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793,352.90 : 191,494,971.43 = 75,875,719.22 : x
  2. Step 2: Convert to fraction form
    127,793,352.90/191,494,971.43 = 75,875,719.22/x
  3. Step 3: Cross multiply
    127,793,352.90x = 191,494,971.43 × 75,875,719.22
  4. Step 4: Simplify right side
    127,793,352.90x = 14,529,818,684,264,602
  5. Step 5: Solve for x
    x = 14,529,818,684,264,602/127,793,352.90
  6. Step 6: Final answer
    x = 113,697,765.61

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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.