Home / 88,709,160.72-122,538,461.40-66,847,908.72

Finding the Fourth Proportional to 88,709,160.72, 122,538,461.40 and 66,847,908.72

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Solution

The fourth proportional to 88,709,160.72, 122,538,461.40 and 66,847,908.72 is: 92,340,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709,160.72 : 122,538,461.40 = 66,847,908.72 : x
  2. Step 2: Convert to fraction form
    88,709,160.72/122,538,461.40 = 66,847,908.72/x
  3. Step 3: Cross multiply
    88,709,160.72x = 122,538,461.40 × 66,847,908.72
  4. Step 4: Simplify right side
    88,709,160.72x = 8,191,439,882,356,444
  5. Step 5: Solve for x
    x = 8,191,439,882,356,444/88,709,160.72
  6. Step 6: Final answer
    x = 92,340,405.61

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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.