Home / 118,111,921.20-177,167,881.80-104,081,878.80

Finding the Fourth Proportional to 118,111,921.20, 177,167,881.80 and 104,081,878.80

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Solution

The fourth proportional to 118,111,921.20, 177,167,881.80 and 104,081,878.80 is: 156,122,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,111,921.20 : 177,167,881.80 = 104,081,878.80 : x
  2. Step 2: Convert to fraction form
    118,111,921.20/177,167,881.80 = 104,081,878.80/x
  3. Step 3: Cross multiply
    118,111,921.20x = 177,167,881.80 × 104,081,878.80
  4. Step 4: Simplify right side
    118,111,921.20x = 18,439,966,000,760,328
  5. Step 5: Solve for x
    x = 18,439,966,000,760,328/118,111,921.20
  6. Step 6: Final answer
    x = 156,122,818.20

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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.