Home / 86,745,329,258.51-130,049,561,309.64-54,806,682,365.87

Finding the Fourth Proportional to 86,745,329,258.51, 130,049,561,309.64 and 54,806,682,365.87

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Solution

The fourth proportional to 86,745,329,258.51, 130,049,561,309.64 and 54,806,682,365.87 is: 82,166,787,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745,329,258.51 : 130,049,561,309.64 = 54,806,682,365.87 : x
  2. Step 2: Convert to fraction form
    86,745,329,258.51/130,049,561,309.64 = 54,806,682,365.87/x
  3. Step 3: Cross multiply
    86,745,329,258.51x = 130,049,561,309.64 × 54,806,682,365.87
  4. Step 4: Simplify right side
    86,745,329,258.51x = 7,127,584,998,517,525,970,944
  5. Step 5: Solve for x
    x = 7,127,584,998,517,525,970,944/86,745,329,258.51
  6. Step 6: Final answer
    x = 82,166,787,070.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.