Home / 220,721,563.70-304,609,516.33-121,602,290.58

Finding the Fourth Proportional to 220,721,563.70, 304,609,516.33 and 121,602,290.58

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Solution

The fourth proportional to 220,721,563.70, 304,609,516.33 and 121,602,290.58 is: 167,818,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,721,563.70 : 304,609,516.33 = 121,602,290.58 : x
  2. Step 2: Convert to fraction form
    220,721,563.70/304,609,516.33 = 121,602,290.58/x
  3. Step 3: Cross multiply
    220,721,563.70x = 304,609,516.33 × 121,602,290.58
  4. Step 4: Simplify right side
    220,721,563.70x = 37,041,214,918,890,816
  5. Step 5: Solve for x
    x = 37,041,214,918,890,816/220,721,563.70
  6. Step 6: Final answer
    x = 167,818,740.94

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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.