Home / 131,322,300.13-181,228,628.21-71,786,886.39

Finding the Fourth Proportional to 131,322,300.13, 181,228,628.21 and 71,786,886.39

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Solution

The fourth proportional to 131,322,300.13, 181,228,628.21 and 71,786,886.39 is: 99,068,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,322,300.13 : 181,228,628.21 = 71,786,886.39 : x
  2. Step 2: Convert to fraction form
    131,322,300.13/181,228,628.21 = 71,786,886.39/x
  3. Step 3: Cross multiply
    131,322,300.13x = 181,228,628.21 × 71,786,886.39
  4. Step 4: Simplify right side
    131,322,300.13x = 13,009,838,943,567,886
  5. Step 5: Solve for x
    x = 13,009,838,943,567,886/131,322,300.13
  6. Step 6: Final answer
    x = 99,068,010.01

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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.