Home / 42,775,969.13-64,169,100.38-15,104,193.02

Finding the Fourth Proportional to 42,775,969.13, 64,169,100.38 and 15,104,193.02

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Solution

The fourth proportional to 42,775,969.13, 64,169,100.38 and 15,104,193.02 is: 22,658,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775,969.13 : 64,169,100.38 = 15,104,193.02 : x
  2. Step 2: Convert to fraction form
    42,775,969.13/64,169,100.38 = 15,104,193.02/x
  3. Step 3: Cross multiply
    42,775,969.13x = 64,169,100.38 × 15,104,193.02
  4. Step 4: Simplify right side
    42,775,969.13x = 969,222,478,016,824.50
  5. Step 5: Solve for x
    x = 969,222,478,016,824.50/42,775,969.13
  6. Step 6: Final answer
    x = 22,658,106.82

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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.