Home / 107,118,016.92-147,839,021.91-65,326,327.74

Finding the Fourth Proportional to 107,118,016.92, 147,839,021.91 and 65,326,327.74

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Solution

The fourth proportional to 107,118,016.92, 147,839,021.91 and 65,326,327.74 is: 90,160,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,118,016.92 : 147,839,021.91 = 65,326,327.74 : x
  2. Step 2: Convert to fraction form
    107,118,016.92/147,839,021.91 = 65,326,327.74/x
  3. Step 3: Cross multiply
    107,118,016.92x = 147,839,021.91 × 65,326,327.74
  4. Step 4: Simplify right side
    107,118,016.92x = 9,657,780,398,053,700
  5. Step 5: Solve for x
    x = 9,657,780,398,053,700/107,118,016.92
  6. Step 6: Final answer
    x = 90,160,186.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.