Home / 119,798,606.88-179,225,100.02-90,736,165.31

Finding the Fourth Proportional to 119,798,606.88, 179,225,100.02 and 90,736,165.31

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Solution

The fourth proportional to 119,798,606.88, 179,225,100.02 and 90,736,165.31 is: 135,746,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,798,606.88 : 179,225,100.02 = 90,736,165.31 : x
  2. Step 2: Convert to fraction form
    119,798,606.88/179,225,100.02 = 90,736,165.31/x
  3. Step 3: Cross multiply
    119,798,606.88x = 179,225,100.02 × 90,736,165.31
  4. Step 4: Simplify right side
    119,798,606.88x = 16,262,198,302,446,722
  5. Step 5: Solve for x
    x = 16,262,198,302,446,722/119,798,606.88
  6. Step 6: Final answer
    x = 135,746,138.67

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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.