Home / 70,057,270.80-105,095,935.17-21,539,198.39

Finding the Fourth Proportional to 70,057,270.80, 105,095,935.17 and 21,539,198.39

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Solution

The fourth proportional to 70,057,270.80, 105,095,935.17 and 21,539,198.39 is: 32,311,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,270.80 : 105,095,935.17 = 21,539,198.39 : x
  2. Step 2: Convert to fraction form
    70,057,270.80/105,095,935.17 = 21,539,198.39/x
  3. Step 3: Cross multiply
    70,057,270.80x = 105,095,935.17 × 21,539,198.39
  4. Step 4: Simplify right side
    70,057,270.80x = 2,263,682,197,083,729
  5. Step 5: Solve for x
    x = 2,263,682,197,083,729/70,057,270.80
  6. Step 6: Final answer
    x = 32,311,881.00

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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.