Home / 137,259,674.52-189,417,662.44-74,535,212.17

Finding the Fourth Proportional to 137,259,674.52, 189,417,662.44 and 74,535,212.17

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Solution

The fourth proportional to 137,259,674.52, 189,417,662.44 and 74,535,212.17 is: 102,858,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,259,674.52 : 189,417,662.44 = 74,535,212.17 : x
  2. Step 2: Convert to fraction form
    137,259,674.52/189,417,662.44 = 74,535,212.17/x
  3. Step 3: Cross multiply
    137,259,674.52x = 189,417,662.44 × 74,535,212.17
  4. Step 4: Simplify right side
    137,259,674.52x = 14,118,285,658,710,840
  5. Step 5: Solve for x
    x = 14,118,285,658,710,840/137,259,674.52
  6. Step 6: Final answer
    x = 102,858,218.98

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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.