Home / 119,438,445.20-179,346,624.60-90,717,011.60

Finding the Fourth Proportional to 119,438,445.20, 179,346,624.60 and 90,717,011.60

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Solution

The fourth proportional to 119,438,445.20, 179,346,624.60 and 90,717,011.60 is: 136,219,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438,445.20 : 179,346,624.60 = 90,717,011.60 : x
  2. Step 2: Convert to fraction form
    119,438,445.20/179,346,624.60 = 90,717,011.60/x
  3. Step 3: Cross multiply
    119,438,445.20x = 179,346,624.60 × 90,717,011.60
  4. Step 4: Simplify right side
    119,438,445.20x = 16,269,789,824,259,044
  5. Step 5: Solve for x
    x = 16,269,789,824,259,044/119,438,445.20
  6. Step 6: Final answer
    x = 136,219,035.65

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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.