Home / 118,335,901.62-163,300,410.54-66,125,366.31

Finding the Fourth Proportional to 118,335,901.62, 163,300,410.54 and 66,125,366.31

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Solution

The fourth proportional to 118,335,901.62, 163,300,410.54 and 66,125,366.31 is: 91,251,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335,901.62 : 163,300,410.54 = 66,125,366.31 : x
  2. Step 2: Convert to fraction form
    118,335,901.62/163,300,410.54 = 66,125,366.31/x
  3. Step 3: Cross multiply
    118,335,901.62x = 163,300,410.54 × 66,125,366.31
  4. Step 4: Simplify right side
    118,335,901.62x = 10,798,299,465,530,884
  5. Step 5: Solve for x
    x = 10,798,299,465,530,884/118,335,901.62
  6. Step 6: Final answer
    x = 91,251,254.42

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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.