Home / 135,881,220.33-203,620,276.48-99,803,068.65

Finding the Fourth Proportional to 135,881,220.33, 203,620,276.48 and 99,803,068.65

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Solution

The fourth proportional to 135,881,220.33, 203,620,276.48 and 99,803,068.65 is: 149,556,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881,220.33 : 203,620,276.48 = 99,803,068.65 : x
  2. Step 2: Convert to fraction form
    135,881,220.33/203,620,276.48 = 99,803,068.65/x
  3. Step 3: Cross multiply
    135,881,220.33x = 203,620,276.48 × 99,803,068.65
  4. Step 4: Simplify right side
    135,881,220.33x = 20,321,928,430,797,808
  5. Step 5: Solve for x
    x = 20,321,928,430,797,808/135,881,220.33
  6. Step 6: Final answer
    x = 149,556,564.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.