Home / 127,690,215.40-191,563,316.70-41,413,940.20

Finding the Fourth Proportional to 127,690,215.40, 191,563,316.70 and 41,413,940.20

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Solution

The fourth proportional to 127,690,215.40, 191,563,316.70 and 41,413,940.20 is: 62,129,989.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690,215.40 : 191,563,316.70 = 41,413,940.20 : x
  2. Step 2: Convert to fraction form
    127,690,215.40/191,563,316.70 = 41,413,940.20/x
  3. Step 3: Cross multiply
    127,690,215.40x = 191,563,316.70 × 41,413,940.20
  4. Step 4: Simplify right side
    127,690,215.40x = 7,933,391,742,327,461
  5. Step 5: Solve for x
    x = 7,933,391,742,327,461/127,690,215.40
  6. Step 6: Final answer
    x = 62,129,989.50

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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.