Home / 259,756,562,988.95-389,362,095,737.33-87,397,225,667.50

Finding the Fourth Proportional to 259,756,562,988.95, 389,362,095,737.33 and 87,397,225,667.50

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Solution

The fourth proportional to 259,756,562,988.95, 389,362,095,737.33 and 87,397,225,667.50 is: 131,004,069,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756,562,988.95 : 389,362,095,737.33 = 87,397,225,667.50 : x
  2. Step 2: Convert to fraction form
    259,756,562,988.95/389,362,095,737.33 = 87,397,225,667.50/x
  3. Step 3: Cross multiply
    259,756,562,988.95x = 389,362,095,737.33 × 87,397,225,667.50
  4. Step 4: Simplify right side
    259,756,562,988.95x = 34,029,166,947,524,222,648,320
  5. Step 5: Solve for x
    x = 34,029,166,947,524,222,648,320/259,756,562,988.95
  6. Step 6: Final answer
    x = 131,004,069,949.03

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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.