Home / 147,320,180.80-220,980,271.20-124,645,364.80

Finding the Fourth Proportional to 147,320,180.80, 220,980,271.20 and 124,645,364.80

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Solution

The fourth proportional to 147,320,180.80, 220,980,271.20 and 124,645,364.80 is: 186,968,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320,180.80 : 220,980,271.20 = 124,645,364.80 : x
  2. Step 2: Convert to fraction form
    147,320,180.80/220,980,271.20 = 124,645,364.80/x
  3. Step 3: Cross multiply
    147,320,180.80x = 220,980,271.20 × 124,645,364.80
  4. Step 4: Simplify right side
    147,320,180.80x = 27,544,166,517,326,932
  5. Step 5: Solve for x
    x = 27,544,166,517,326,932/147,320,180.80
  6. Step 6: Final answer
    x = 186,968,047.20

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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.