Home / 127,156,210.31-175,464,796.73-76,939,132.33

Finding the Fourth Proportional to 127,156,210.31, 175,464,796.73 and 76,939,132.33

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Solution

The fourth proportional to 127,156,210.31, 175,464,796.73 and 76,939,132.33 is: 106,169,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,156,210.31 : 175,464,796.73 = 76,939,132.33 : x
  2. Step 2: Convert to fraction form
    127,156,210.31/175,464,796.73 = 76,939,132.33/x
  3. Step 3: Cross multiply
    127,156,210.31x = 175,464,796.73 × 76,939,132.33
  4. Step 4: Simplify right side
    127,156,210.31x = 13,500,109,215,349,252
  5. Step 5: Solve for x
    x = 13,500,109,215,349,252/127,156,210.31
  6. Step 6: Final answer
    x = 106,169,483.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.