Home / 171,783,007.20-257,674,510.80-89,870,234.40

Finding the Fourth Proportional to 171,783,007.20, 257,674,510.80 and 89,870,234.40

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Solution

The fourth proportional to 171,783,007.20, 257,674,510.80 and 89,870,234.40 is: 134,805,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,783,007.20 : 257,674,510.80 = 89,870,234.40 : x
  2. Step 2: Convert to fraction form
    171,783,007.20/257,674,510.80 = 89,870,234.40/x
  3. Step 3: Cross multiply
    171,783,007.20x = 257,674,510.80 × 89,870,234.40
  4. Step 4: Simplify right side
    171,783,007.20x = 23,157,268,684,501,336
  5. Step 5: Solve for x
    x = 23,157,268,684,501,336/171,783,007.20
  6. Step 6: Final answer
    x = 134,805,351.60

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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.