Home / 101,528,462,379.82-140,110,547,696.78-55,807,729,558.20

Finding the Fourth Proportional to 101,528,462,379.82, 140,110,547,696.78 and 55,807,729,558.20

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Solution

The fourth proportional to 101,528,462,379.82, 140,110,547,696.78 and 55,807,729,558.20 is: 77,015,364,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,528,462,379.82 : 140,110,547,696.78 = 55,807,729,558.20 : x
  2. Step 2: Convert to fraction form
    101,528,462,379.82/140,110,547,696.78 = 55,807,729,558.20/x
  3. Step 3: Cross multiply
    101,528,462,379.82x = 140,110,547,696.78 × 55,807,729,558.20
  4. Step 4: Simplify right side
    101,528,462,379.82x = 7,819,251,554,113,180,139,520
  5. Step 5: Solve for x
    x = 7,819,251,554,113,180,139,520/101,528,462,379.82
  6. Step 6: Final answer
    x = 77,015,364,665.54

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1.5x scale

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.