Home / 126,719,932.36-174,874,859.96-77,827,360.36

Finding the Fourth Proportional to 126,719,932.36, 174,874,859.96 and 77,827,360.36

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Solution

The fourth proportional to 126,719,932.36, 174,874,859.96 and 77,827,360.36 is: 107,402,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,719,932.36 : 174,874,859.96 = 77,827,360.36 : x
  2. Step 2: Convert to fraction form
    126,719,932.36/174,874,859.96 = 77,827,360.36/x
  3. Step 3: Cross multiply
    126,719,932.36x = 174,874,859.96 × 77,827,360.36
  4. Step 4: Simplify right side
    126,719,932.36x = 13,610,048,744,011,456
  5. Step 5: Solve for x
    x = 13,610,048,744,011,456/126,719,932.36
  6. Step 6: Final answer
    x = 107,402,588.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.