Home / 118,335,687.87-163,300,116.56-66,125,152.56

Finding the Fourth Proportional to 118,335,687.87, 163,300,116.56 and 66,125,152.56

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Solution

The fourth proportional to 118,335,687.87, 163,300,116.56 and 66,125,152.56 is: 91,250,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335,687.87 : 163,300,116.56 = 66,125,152.56 : x
  2. Step 2: Convert to fraction form
    118,335,687.87/163,300,116.56 = 66,125,152.56/x
  3. Step 3: Cross multiply
    118,335,687.87x = 163,300,116.56 × 66,125,152.56
  4. Step 4: Simplify right side
    118,335,687.87x = 10,798,245,120,265,158
  5. Step 5: Solve for x
    x = 10,798,245,120,265,158/118,335,687.87
  6. Step 6: Final answer
    x = 91,250,960.00

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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.