Home / 104,283,261-144,030,339.45-68,678,862.66

Finding the Fourth Proportional to 104,283,261, 144,030,339.45 and 68,678,862.66

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Solution

The fourth proportional to 104,283,261, 144,030,339.45 and 68,678,862.66 is: 94,855,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,283,261 : 144,030,339.45 = 68,678,862.66 : x
  2. Step 2: Convert to fraction form
    104,283,261/144,030,339.45 = 68,678,862.66/x
  3. Step 3: Cross multiply
    104,283,261x = 144,030,339.45 × 68,678,862.66
  4. Step 4: Simplify right side
    104,283,261x = 9,891,839,901,959,728
  5. Step 5: Solve for x
    x = 9,891,839,901,959,728/104,283,261
  6. Step 6: Final answer
    x = 94,855,490.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.