Home / 119,624,746.97-165,112,863.74-77,912,752.07

Finding the Fourth Proportional to 119,624,746.97, 165,112,863.74 and 77,912,752.07

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Solution

The fourth proportional to 119,624,746.97, 165,112,863.74 and 77,912,752.07 is: 107,539,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,746.97 : 165,112,863.74 = 77,912,752.07 : x
  2. Step 2: Convert to fraction form
    119,624,746.97/165,112,863.74 = 77,912,752.07/x
  3. Step 3: Cross multiply
    119,624,746.97x = 165,112,863.74 × 77,912,752.07
  4. Step 4: Simplify right side
    119,624,746.97x = 12,864,397,614,927,186
  5. Step 5: Solve for x
    x = 12,864,397,614,927,186/119,624,746.97
  6. Step 6: Final answer
    x = 107,539,601.47

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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.