Home / 127,651,917.40-191,194,440.90-104,977,101.40

Finding the Fourth Proportional to 127,651,917.40, 191,194,440.90 and 104,977,101.40

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Solution

The fourth proportional to 127,651,917.40, 191,194,440.90 and 104,977,101.40 is: 157,232,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651,917.40 : 191,194,440.90 = 104,977,101.40 : x
  2. Step 2: Convert to fraction form
    127,651,917.40/191,194,440.90 = 104,977,101.40/x
  3. Step 3: Cross multiply
    127,651,917.40x = 191,194,440.90 × 104,977,101.40
  4. Step 4: Simplify right side
    127,651,917.40x = 20,071,038,209,475,608
  5. Step 5: Solve for x
    x = 20,071,038,209,475,608/127,651,917.40
  6. Step 6: Final answer
    x = 157,232,563.51

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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.