Home / 208,744,710.23-288,059,808.20-115,931,196.79

Finding the Fourth Proportional to 208,744,710.23, 288,059,808.20 and 115,931,196.79

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Solution

The fourth proportional to 208,744,710.23, 288,059,808.20 and 115,931,196.79 is: 159,980,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,710.23 : 288,059,808.20 = 115,931,196.79 : x
  2. Step 2: Convert to fraction form
    208,744,710.23/288,059,808.20 = 115,931,196.79/x
  3. Step 3: Cross multiply
    208,744,710.23x = 288,059,808.20 × 115,931,196.79
  4. Step 4: Simplify right side
    208,744,710.23x = 33,395,118,310,424,048
  5. Step 5: Solve for x
    x = 33,395,118,310,424,048/208,744,710.23
  6. Step 6: Final answer
    x = 159,980,668.60

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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.