Home / 208,754,518.68-288,064,435.56-120,654,222.60

Finding the Fourth Proportional to 208,754,518.68, 288,064,435.56 and 120,654,222.60

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Solution

The fourth proportional to 208,754,518.68, 288,064,435.56 and 120,654,222.60 is: 166,493,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,754,518.68 : 288,064,435.56 = 120,654,222.60 : x
  2. Step 2: Convert to fraction form
    208,754,518.68/288,064,435.56 = 120,654,222.60/x
  3. Step 3: Cross multiply
    208,754,518.68x = 288,064,435.56 × 120,654,222.60
  4. Step 4: Simplify right side
    208,754,518.68x = 34,756,190,531,199,596
  5. Step 5: Solve for x
    x = 34,756,190,531,199,596/208,754,518.68
  6. Step 6: Final answer
    x = 166,493,117.14

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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.