Home / 121,111,043.20-181,666,564.80-57,410,051.20

Finding the Fourth Proportional to 121,111,043.20, 181,666,564.80 and 57,410,051.20

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Solution

The fourth proportional to 121,111,043.20, 181,666,564.80 and 57,410,051.20 is: 86,115,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111,043.20 : 181,666,564.80 = 57,410,051.20 : x
  2. Step 2: Convert to fraction form
    121,111,043.20/181,666,564.80 = 57,410,051.20/x
  3. Step 3: Cross multiply
    121,111,043.20x = 181,666,564.80 × 57,410,051.20
  4. Step 4: Simplify right side
    121,111,043.20x = 10,429,486,786,496,118
  5. Step 5: Solve for x
    x = 10,429,486,786,496,118/121,111,043.20
  6. Step 6: Final answer
    x = 86,115,076.80

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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.