Home / 147,510,822.58-203,559,599.01-81,429,901.54

Finding the Fourth Proportional to 147,510,822.58, 203,559,599.01 and 81,429,901.54

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Solution

The fourth proportional to 147,510,822.58, 203,559,599.01 and 81,429,901.54 is: 112,370,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,822.58 : 203,559,599.01 = 81,429,901.54 : x
  2. Step 2: Convert to fraction form
    147,510,822.58/203,559,599.01 = 81,429,901.54/x
  3. Step 3: Cross multiply
    147,510,822.58x = 203,559,599.01 × 81,429,901.54
  4. Step 4: Simplify right side
    147,510,822.58x = 16,575,838,104,906,182
  5. Step 5: Solve for x
    x = 16,575,838,104,906,182/147,510,822.58
  6. Step 6: Final answer
    x = 112,370,318.43

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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.