Home / 158,571,068,124-218,833,848,215.28-86,309,642,848.80

Finding the Fourth Proportional to 158,571,068,124, 218,833,848,215.28 and 86,309,642,848.80

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Solution

The fourth proportional to 158,571,068,124, 218,833,848,215.28 and 86,309,642,848.80 is: 119,110,450,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,571,068,124 : 218,833,848,215.28 = 86,309,642,848.80 : x
  2. Step 2: Convert to fraction form
    158,571,068,124/218,833,848,215.28 = 86,309,642,848.80/x
  3. Step 3: Cross multiply
    158,571,068,124x = 218,833,848,215.28 × 86,309,642,848.80
  4. Step 4: Simplify right side
    158,571,068,124x = 18,887,471,282,689,327,235,072
  5. Step 5: Solve for x
    x = 18,887,471,282,689,327,235,072/158,571,068,124
  6. Step 6: Final answer
    x = 119,110,450,009.20

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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.