Home / 127,171,200.30-190,781,683.65-54,387,840.30

Finding the Fourth Proportional to 127,171,200.30, 190,781,683.65 and 54,387,840.30

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Solution

The fourth proportional to 127,171,200.30, 190,781,683.65 and 54,387,840.30 is: 81,592,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,171,200.30 : 190,781,683.65 = 54,387,840.30 : x
  2. Step 2: Convert to fraction form
    127,171,200.30/190,781,683.65 = 54,387,840.30/x
  3. Step 3: Cross multiply
    127,171,200.30x = 190,781,683.65 × 54,387,840.30
  4. Step 4: Simplify right side
    127,171,200.30x = 10,376,203,742,521,320
  5. Step 5: Solve for x
    x = 10,376,203,742,521,320/127,171,200.30
  6. Step 6: Final answer
    x = 81,592,402.35

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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.