Home / 157,932,713.42-217,873,701.96-102,196,147.16

Finding the Fourth Proportional to 157,932,713.42, 217,873,701.96 and 102,196,147.16

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Solution

The fourth proportional to 157,932,713.42, 217,873,701.96 and 102,196,147.16 is: 140,983,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,932,713.42 : 217,873,701.96 = 102,196,147.16 : x
  2. Step 2: Convert to fraction form
    157,932,713.42/217,873,701.96 = 102,196,147.16/x
  3. Step 3: Cross multiply
    157,932,713.42x = 217,873,701.96 × 102,196,147.16
  4. Step 4: Simplify right side
    157,932,713.42x = 22,265,852,907,798,140
  5. Step 5: Solve for x
    x = 22,265,852,907,798,140/157,932,713.42
  6. Step 6: Final answer
    x = 140,983,159.38

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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.