Home / 101,110,888,749.28-139,531,316,447.28-55,999,647,006.88

Finding the Fourth Proportional to 101,110,888,749.28, 139,531,316,447.28 and 55,999,647,006.88

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Solution

The fourth proportional to 101,110,888,749.28, 139,531,316,447.28 and 55,999,647,006.88 is: 77,278,565,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,110,888,749.28 : 139,531,316,447.28 = 55,999,647,006.88 : x
  2. Step 2: Convert to fraction form
    101,110,888,749.28/139,531,316,447.28 = 55,999,647,006.88/x
  3. Step 3: Cross multiply
    101,110,888,749.28x = 139,531,316,447.28 × 55,999,647,006.88
  4. Step 4: Simplify right side
    101,110,888,749.28x = 7,813,704,467,452,949,168,128
  5. Step 5: Solve for x
    x = 7,813,704,467,452,949,168,128/101,110,888,749.28
  6. Step 6: Final answer
    x = 77,278,565,781.66

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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.