Home / 70,240,376,139.93-105,381,261,277.70-28,295,657,496.09

Finding the Fourth Proportional to 70,240,376,139.93, 105,381,261,277.70 and 28,295,657,496.09

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Solution

The fourth proportional to 70,240,376,139.93, 105,381,261,277.70 and 28,295,657,496.09 is: 42,451,823,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,376,139.93 : 105,381,261,277.70 = 28,295,657,496.09 : x
  2. Step 2: Convert to fraction form
    70,240,376,139.93/105,381,261,277.70 = 28,295,657,496.09/x
  3. Step 3: Cross multiply
    70,240,376,139.93x = 105,381,261,277.70 × 28,295,657,496.09
  4. Step 4: Simplify right side
    70,240,376,139.93x = 2,981,832,075,619,770,826,752
  5. Step 5: Solve for x
    x = 2,981,832,075,619,770,826,752/70,240,376,139.93
  6. Step 6: Final answer
    x = 42,451,823,858.11

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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.