Home / 145,545,598.08-200,870,538.06-82,836,943.56

Finding the Fourth Proportional to 145,545,598.08, 200,870,538.06 and 82,836,943.56

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Solution

The fourth proportional to 145,545,598.08, 200,870,538.06 and 82,836,943.56 is: 114,325,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545,598.08 : 200,870,538.06 = 82,836,943.56 : x
  2. Step 2: Convert to fraction form
    145,545,598.08/200,870,538.06 = 82,836,943.56/x
  3. Step 3: Cross multiply
    145,545,598.08x = 200,870,538.06 × 82,836,943.56
  4. Step 4: Simplify right side
    145,545,598.08x = 16,639,501,424,143,052
  5. Step 5: Solve for x
    x = 16,639,501,424,143,052/145,545,598.08
  6. Step 6: Final answer
    x = 114,325,006.35

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1.5x scale

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.