Home / 118,143,430.20-177,215,145.30-31,881,698.55

Finding the Fourth Proportional to 118,143,430.20, 177,215,145.30 and 31,881,698.55

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Solution

The fourth proportional to 118,143,430.20, 177,215,145.30 and 31,881,698.55 is: 47,822,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143,430.20 : 177,215,145.30 = 31,881,698.55 : x
  2. Step 2: Convert to fraction form
    118,143,430.20/177,215,145.30 = 31,881,698.55/x
  3. Step 3: Cross multiply
    118,143,430.20x = 177,215,145.30 × 31,881,698.55
  4. Step 4: Simplify right side
    118,143,430.20x = 5,649,919,840,949,050
  5. Step 5: Solve for x
    x = 5,649,919,840,949,050/118,143,430.20
  6. Step 6: Final answer
    x = 47,822,547.83

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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.