Home / 127,651,918.40-191,194,442.40-104,977,102.40

Finding the Fourth Proportional to 127,651,918.40, 191,194,442.40 and 104,977,102.40

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Solution

The fourth proportional to 127,651,918.40, 191,194,442.40 and 104,977,102.40 is: 157,232,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651,918.40 : 191,194,442.40 = 104,977,102.40 : x
  2. Step 2: Convert to fraction form
    127,651,918.40/191,194,442.40 = 104,977,102.40/x
  3. Step 3: Cross multiply
    127,651,918.40x = 191,194,442.40 × 104,977,102.40
  4. Step 4: Simplify right side
    127,651,918.40x = 20,071,038,558,135,704
  5. Step 5: Solve for x
    x = 20,071,038,558,135,704/127,651,918.40
  6. Step 6: Final answer
    x = 157,232,565.01

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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.