Home / 159,822,913,751.28-220,527,588,898.80-91,202,996,739.60

Finding the Fourth Proportional to 159,822,913,751.28, 220,527,588,898.80 and 91,202,996,739.60

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Solution

The fourth proportional to 159,822,913,751.28, 220,527,588,898.80 and 91,202,996,739.60 is: 125,844,138,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,822,913,751.28 : 220,527,588,898.80 = 91,202,996,739.60 : x
  2. Step 2: Convert to fraction form
    159,822,913,751.28/220,527,588,898.80 = 91,202,996,739.60/x
  3. Step 3: Cross multiply
    159,822,913,751.28x = 220,527,588,898.80 × 91,202,996,739.60
  4. Step 4: Simplify right side
    159,822,913,751.28x = 20,112,776,971,329,105,559,552
  5. Step 5: Solve for x
    x = 20,112,776,971,329,105,559,552/159,822,913,751.28
  6. Step 6: Final answer
    x = 125,844,138,986.41

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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.