Home / 113,918,991.88-157,208,963.66-61,708,027.52

Finding the Fourth Proportional to 113,918,991.88, 157,208,963.66 and 61,708,027.52

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Solution

The fourth proportional to 113,918,991.88, 157,208,963.66 and 61,708,027.52 is: 85,157,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,991.88 : 157,208,963.66 = 61,708,027.52 : x
  2. Step 2: Convert to fraction form
    113,918,991.88/157,208,963.66 = 61,708,027.52/x
  3. Step 3: Cross multiply
    113,918,991.88x = 157,208,963.66 × 61,708,027.52
  4. Step 4: Simplify right side
    113,918,991.88x = 9,701,055,055,921,960
  5. Step 5: Solve for x
    x = 9,701,055,055,921,960/113,918,991.88
  6. Step 6: Final answer
    x = 85,157,486.88

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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.