Home / 139,094,800.80-208,642,201.20-122,088,688.80

Finding the Fourth Proportional to 139,094,800.80, 208,642,201.20 and 122,088,688.80

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Solution

The fourth proportional to 139,094,800.80, 208,642,201.20 and 122,088,688.80 is: 183,133,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,094,800.80 : 208,642,201.20 = 122,088,688.80 : x
  2. Step 2: Convert to fraction form
    139,094,800.80/208,642,201.20 = 122,088,688.80/x
  3. Step 3: Cross multiply
    139,094,800.80x = 208,642,201.20 × 122,088,688.80
  4. Step 4: Simplify right side
    139,094,800.80x = 25,472,852,772,853,784
  5. Step 5: Solve for x
    x = 25,472,852,772,853,784/139,094,800.80
  6. Step 6: Final answer
    x = 183,133,033.20

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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.