Home / 126,885,307.82-190,291,038.43-49,144,872.78

Finding the Fourth Proportional to 126,885,307.82, 190,291,038.43 and 49,144,872.78

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Solution

The fourth proportional to 126,885,307.82, 190,291,038.43 and 49,144,872.78 is: 73,703,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,885,307.82 : 190,291,038.43 = 49,144,872.78 : x
  2. Step 2: Convert to fraction form
    126,885,307.82/190,291,038.43 = 49,144,872.78/x
  3. Step 3: Cross multiply
    126,885,307.82x = 190,291,038.43 × 49,144,872.78
  4. Step 4: Simplify right side
    126,885,307.82x = 9,351,828,873,864,986
  5. Step 5: Solve for x
    x = 9,351,828,873,864,986/126,885,307.82
  6. Step 6: Final answer
    x = 73,703,008.13

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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.