Home / 173,634,378.70-239,606,643.09-103,073,005.03

Finding the Fourth Proportional to 173,634,378.70, 239,606,643.09 and 103,073,005.03

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Solution

The fourth proportional to 173,634,378.70, 239,606,643.09 and 103,073,005.03 is: 142,235,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,634,378.70 : 239,606,643.09 = 103,073,005.03 : x
  2. Step 2: Convert to fraction form
    173,634,378.70/239,606,643.09 = 103,073,005.03/x
  3. Step 3: Cross multiply
    173,634,378.70x = 239,606,643.09 × 103,073,005.03
  4. Step 4: Simplify right side
    173,634,378.70x = 24,696,976,728,436,984
  5. Step 5: Solve for x
    x = 24,696,976,728,436,984/173,634,378.70
  6. Step 6: Final answer
    x = 142,235,523.36

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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.