Home / 272,909,239.71-409,406,184.54-115,342,917.39

Finding the Fourth Proportional to 272,909,239.71, 409,406,184.54 and 115,342,917.39

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Solution

The fourth proportional to 272,909,239.71, 409,406,184.54 and 115,342,917.39 is: 173,032,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,909,239.71 : 409,406,184.54 = 115,342,917.39 : x
  2. Step 2: Convert to fraction form
    272,909,239.71/409,406,184.54 = 115,342,917.39/x
  3. Step 3: Cross multiply
    272,909,239.71x = 409,406,184.54 × 115,342,917.39
  4. Step 4: Simplify right side
    272,909,239.71x = 47,222,103,722,352,320
  5. Step 5: Solve for x
    x = 47,222,103,722,352,320/272,909,239.71
  6. Step 6: Final answer
    x = 173,032,264.40

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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.