Home / 127,461,509.43-191,191,972.51-54,631,065.75

Finding the Fourth Proportional to 127,461,509.43, 191,191,972.51 and 54,631,065.75

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Solution

The fourth proportional to 127,461,509.43, 191,191,972.51 and 54,631,065.75 is: 81,946,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,461,509.43 : 191,191,972.51 = 54,631,065.75 : x
  2. Step 2: Convert to fraction form
    127,461,509.43/191,191,972.51 = 54,631,065.75/x
  3. Step 3: Cross multiply
    127,461,509.43x = 191,191,972.51 × 54,631,065.75
  4. Step 4: Simplify right side
    127,461,509.43x = 10,445,021,221,066,002
  5. Step 5: Solve for x
    x = 10,445,021,221,066,002/127,461,509.43
  6. Step 6: Final answer
    x = 81,946,473.63

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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.