Home / 191,194,118,673.32-263,966,958,455.64-121,708,965,593.08

Finding the Fourth Proportional to 191,194,118,673.32, 263,966,958,455.64 and 121,708,965,593.08

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Solution

The fourth proportional to 191,194,118,673.32, 263,966,958,455.64 and 121,708,965,593.08 is: 168,034,172,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194,118,673.32 : 263,966,958,455.64 = 121,708,965,593.08 : x
  2. Step 2: Convert to fraction form
    191,194,118,673.32/263,966,958,455.64 = 121,708,965,593.08/x
  3. Step 3: Cross multiply
    191,194,118,673.32x = 263,966,958,455.64 × 121,708,965,593.08
  4. Step 4: Simplify right side
    191,194,118,673.32x = 32,127,145,464,387,470,360,576
  5. Step 5: Solve for x
    x = 32,127,145,464,387,470,360,576/191,194,118,673.32
  6. Step 6: Final answer
    x = 168,034,172,218.87

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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.