Home / 117,197,838.74-161,721,364.38-67,654,173.62

Finding the Fourth Proportional to 117,197,838.74, 161,721,364.38 and 67,654,173.62

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Solution

The fourth proportional to 117,197,838.74, 161,721,364.38 and 67,654,173.62 is: 93,356,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,197,838.74 : 161,721,364.38 = 67,654,173.62 : x
  2. Step 2: Convert to fraction form
    117,197,838.74/161,721,364.38 = 67,654,173.62/x
  3. Step 3: Cross multiply
    117,197,838.74x = 161,721,364.38 × 67,654,173.62
  4. Step 4: Simplify right side
    117,197,838.74x = 10,941,125,263,827,804
  5. Step 5: Solve for x
    x = 10,941,125,263,827,804/117,197,838.74
  6. Step 6: Final answer
    x = 93,356,032.68

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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.