Home / 98,888,621.80-148,395,918.30-57,947,981.80

Finding the Fourth Proportional to 98,888,621.80, 148,395,918.30 and 57,947,981.80

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Solution

The fourth proportional to 98,888,621.80, 148,395,918.30 and 57,947,981.80 is: 86,958,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888,621.80 : 148,395,918.30 = 57,947,981.80 : x
  2. Step 2: Convert to fraction form
    98,888,621.80/148,395,918.30 = 57,947,981.80/x
  3. Step 3: Cross multiply
    98,888,621.80x = 148,395,918.30 × 57,947,981.80
  4. Step 4: Simplify right side
    98,888,621.80x = 8,599,243,972,842,687
  5. Step 5: Solve for x
    x = 8,599,243,972,842,687/98,888,621.80
  6. Step 6: Final answer
    x = 86,958,881.78

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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.