Home / 169,825,041.37-254,688,303.12-66,171,126.61

Finding the Fourth Proportional to 169,825,041.37, 254,688,303.12 and 66,171,126.61

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Solution

The fourth proportional to 169,825,041.37, 254,688,303.12 and 66,171,126.61 is: 99,237,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825,041.37 : 254,688,303.12 = 66,171,126.61 : x
  2. Step 2: Convert to fraction form
    169,825,041.37/254,688,303.12 = 66,171,126.61/x
  3. Step 3: Cross multiply
    169,825,041.37x = 254,688,303.12 × 66,171,126.61
  4. Step 4: Simplify right side
    169,825,041.37x = 16,853,011,951,839,578
  5. Step 5: Solve for x
    x = 16,853,011,951,839,578/169,825,041.37
  6. Step 6: Final answer
    x = 99,237,496.52

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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.