Home / 150,428,994,011.11-207,593,657,804.13-81,840,797,051.93

Finding the Fourth Proportional to 150,428,994,011.11, 207,593,657,804.13 and 81,840,797,051.93

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Solution

The fourth proportional to 150,428,994,011.11, 207,593,657,804.13 and 81,840,797,051.93 is: 112,941,195,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,428,994,011.11 : 207,593,657,804.13 = 81,840,797,051.93 : x
  2. Step 2: Convert to fraction form
    150,428,994,011.11/207,593,657,804.13 = 81,840,797,051.93/x
  3. Step 3: Cross multiply
    150,428,994,011.11x = 207,593,657,804.13 × 81,840,797,051.93
  4. Step 4: Simplify right side
    150,428,994,011.11x = 16,989,630,417,614,571,307,008
  5. Step 5: Solve for x
    x = 16,989,630,417,614,571,307,008/150,428,994,011.11
  6. Step 6: Final answer
    x = 112,941,195,474.32

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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.