Home / 216,072,417.73-298,179,951.03-118,287,273.73

Finding the Fourth Proportional to 216,072,417.73, 298,179,951.03 and 118,287,273.73

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Solution

The fourth proportional to 216,072,417.73, 298,179,951.03 and 118,287,273.73 is: 163,236,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072,417.73 : 298,179,951.03 = 118,287,273.73 : x
  2. Step 2: Convert to fraction form
    216,072,417.73/298,179,951.03 = 118,287,273.73/x
  3. Step 3: Cross multiply
    216,072,417.73x = 298,179,951.03 × 118,287,273.73
  4. Step 4: Simplify right side
    216,072,417.73x = 35,270,893,488,283,604
  5. Step 5: Solve for x
    x = 35,270,893,488,283,604/216,072,417.73
  6. Step 6: Final answer
    x = 163,236,445.72

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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.