Home / 72,429,726,522.77-99,953,027,407.19-40,314,399,465.95

Finding the Fourth Proportional to 72,429,726,522.77, 99,953,027,407.19 and 40,314,399,465.95

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Solution

The fourth proportional to 72,429,726,522.77, 99,953,027,407.19 and 40,314,399,465.95 is: 55,633,873,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,429,726,522.77 : 99,953,027,407.19 = 40,314,399,465.95 : x
  2. Step 2: Convert to fraction form
    72,429,726,522.77/99,953,027,407.19 = 40,314,399,465.95/x
  3. Step 3: Cross multiply
    72,429,726,522.77x = 99,953,027,407.19 × 40,314,399,465.95
  4. Step 4: Simplify right side
    72,429,726,522.77x = 4,029,546,274,724,505,976,832
  5. Step 5: Solve for x
    x = 4,029,546,274,724,505,976,832/72,429,726,522.77
  6. Step 6: Final answer
    x = 55,633,873,937.90

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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.