Home / 113,918,967.64-157,208,930.16-61,708,003.36

Finding the Fourth Proportional to 113,918,967.64, 157,208,930.16 and 61,708,003.36

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Solution

The fourth proportional to 113,918,967.64, 157,208,930.16 and 61,708,003.36 is: 85,157,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,967.64 : 157,208,930.16 = 61,708,003.36 : x
  2. Step 2: Convert to fraction form
    113,918,967.64/157,208,930.16 = 61,708,003.36/x
  3. Step 3: Cross multiply
    113,918,967.64x = 157,208,930.16 × 61,708,003.36
  4. Step 4: Simplify right side
    113,918,967.64x = 9,701,049,190,535,286
  5. Step 5: Solve for x
    x = 9,701,049,190,535,286/113,918,967.64
  6. Step 6: Final answer
    x = 85,157,453.51

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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.