Home / 126,445,309.90-189,809,682.45-97,818,354.70

Finding the Fourth Proportional to 126,445,309.90, 189,809,682.45 and 97,818,354.70

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Solution

The fourth proportional to 126,445,309.90, 189,809,682.45 and 97,818,354.70 is: 146,837,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445,309.90 : 189,809,682.45 = 97,818,354.70 : x
  2. Step 2: Convert to fraction form
    126,445,309.90/189,809,682.45 = 97,818,354.70/x
  3. Step 3: Cross multiply
    126,445,309.90x = 189,809,682.45 × 97,818,354.70
  4. Step 4: Simplify right side
    126,445,309.90x = 18,566,870,843,388,464
  5. Step 5: Solve for x
    x = 18,566,870,843,388,464/126,445,309.90
  6. Step 6: Final answer
    x = 146,837,165.08

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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.