Home / 191,194,118,667.32-263,966,958,447.35-121,708,965,587.06

Finding the Fourth Proportional to 191,194,118,667.32, 263,966,958,447.35 and 121,708,965,587.06

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Solution

The fourth proportional to 191,194,118,667.32, 263,966,958,447.35 and 121,708,965,587.06 is: 168,034,172,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194,118,667.32 : 263,966,958,447.35 = 121,708,965,587.06 : x
  2. Step 2: Convert to fraction form
    191,194,118,667.32/263,966,958,447.35 = 121,708,965,587.06/x
  3. Step 3: Cross multiply
    191,194,118,667.32x = 263,966,958,447.35 × 121,708,965,587.06
  4. Step 4: Simplify right side
    191,194,118,667.32x = 32,127,145,461,789,417,799,680
  5. Step 5: Solve for x
    x = 32,127,145,461,789,417,799,680/191,194,118,667.32
  6. Step 6: Final answer
    x = 168,034,172,210.55

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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.