Home / 127,821,662.40-191,606,522.40-63,135,451.20

Finding the Fourth Proportional to 127,821,662.40, 191,606,522.40 and 63,135,451.20

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Solution

The fourth proportional to 127,821,662.40, 191,606,522.40 and 63,135,451.20 is: 94,640,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821,662.40 : 191,606,522.40 = 63,135,451.20 : x
  2. Step 2: Convert to fraction form
    127,821,662.40/191,606,522.40 = 63,135,451.20/x
  3. Step 3: Cross multiply
    127,821,662.40x = 191,606,522.40 × 63,135,451.20
  4. Step 4: Simplify right side
    127,821,662.40x = 12,097,164,244,586,908
  5. Step 5: Solve for x
    x = 12,097,164,244,586,908/127,821,662.40
  6. Step 6: Final answer
    x = 94,640,955.35

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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.