Home / 195,608,078.40-293,412,117.60-127,583,630.40

Finding the Fourth Proportional to 195,608,078.40, 293,412,117.60 and 127,583,630.40

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Solution

The fourth proportional to 195,608,078.40, 293,412,117.60 and 127,583,630.40 is: 191,375,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,608,078.40 : 293,412,117.60 = 127,583,630.40 : x
  2. Step 2: Convert to fraction form
    195,608,078.40/293,412,117.60 = 127,583,630.40/x
  3. Step 3: Cross multiply
    195,608,078.40x = 293,412,117.60 × 127,583,630.40
  4. Step 4: Simplify right side
    195,608,078.40x = 37,434,583,166,759,736
  5. Step 5: Solve for x
    x = 37,434,583,166,759,736/195,608,078.40
  6. Step 6: Final answer
    x = 191,375,445.60

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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.