Home / 185,660,374.47-256,218,231.30-111,333,036.21

Finding the Fourth Proportional to 185,660,374.47, 256,218,231.30 and 111,333,036.21

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Solution

The fourth proportional to 185,660,374.47, 256,218,231.30 and 111,333,036.21 is: 153,643,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,660,374.47 : 256,218,231.30 = 111,333,036.21 : x
  2. Step 2: Convert to fraction form
    185,660,374.47/256,218,231.30 = 111,333,036.21/x
  3. Step 3: Cross multiply
    185,660,374.47x = 256,218,231.30 × 111,333,036.21
  4. Step 4: Simplify right side
    185,660,374.47x = 28,525,553,622,985,056
  5. Step 5: Solve for x
    x = 28,525,553,622,985,056/185,660,374.47
  6. Step 6: Final answer
    x = 153,643,736.34

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1.5x scale

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.