Home / 122,281,357.05-168,749,610.75-66,527,094.42

Finding the Fourth Proportional to 122,281,357.05, 168,749,610.75 and 66,527,094.42

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Solution

The fourth proportional to 122,281,357.05, 168,749,610.75 and 66,527,094.42 is: 91,808,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,281,357.05 : 168,749,610.75 = 66,527,094.42 : x
  2. Step 2: Convert to fraction form
    122,281,357.05/168,749,610.75 = 66,527,094.42/x
  3. Step 3: Cross multiply
    122,281,357.05x = 168,749,610.75 × 66,527,094.42
  4. Step 4: Simplify right side
    122,281,357.05x = 11,226,421,287,703,498
  5. Step 5: Solve for x
    x = 11,226,421,287,703,498/122,281,357.05
  6. Step 6: Final answer
    x = 91,808,118.25

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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.