Home / 118,098,009.20-177,147,013.80-53,403,924.80

Finding the Fourth Proportional to 118,098,009.20, 177,147,013.80 and 53,403,924.80

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Solution

The fourth proportional to 118,098,009.20, 177,147,013.80 and 53,403,924.80 is: 80,105,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,009.20 : 177,147,013.80 = 53,403,924.80 : x
  2. Step 2: Convert to fraction form
    118,098,009.20/177,147,013.80 = 53,403,924.80/x
  3. Step 3: Cross multiply
    118,098,009.20x = 177,147,013.80 × 53,403,924.80
  4. Step 4: Simplify right side
    118,098,009.20x = 9,460,345,803,519,762
  5. Step 5: Solve for x
    x = 9,460,345,803,519,762/118,098,009.20
  6. Step 6: Final answer
    x = 80,105,887.20

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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.