Home / 103,560,738,788.31-141,875,852,760.52-99,688,769,091.15

Finding the Fourth Proportional to 103,560,738,788.31, 141,875,852,760.52 and 99,688,769,091.15

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Solution

The fourth proportional to 103,560,738,788.31, 141,875,852,760.52 and 99,688,769,091.15 is: 136,571,342,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560,738,788.31 : 141,875,852,760.52 = 99,688,769,091.15 : x
  2. Step 2: Convert to fraction form
    103,560,738,788.31/141,875,852,760.52 = 99,688,769,091.15/x
  3. Step 3: Cross multiply
    103,560,738,788.31x = 141,875,852,760.52 × 99,688,769,091.15
  4. Step 4: Simplify right side
    103,560,738,788.31x = 14,143,429,125,453,471,809,536
  5. Step 5: Solve for x
    x = 14,143,429,125,453,471,809,536/103,560,738,788.31
  6. Step 6: Final answer
    x = 136,571,342,488.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.