Home / 85,156,823-117,516,461.28-45,998,599.16

Finding the Fourth Proportional to 85,156,823, 117,516,461.28 and 45,998,599.16

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Solution

The fourth proportional to 85,156,823, 117,516,461.28 and 45,998,599.16 is: 63,478,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,823 : 117,516,461.28 = 45,998,599.16 : x
  2. Step 2: Convert to fraction form
    85,156,823/117,516,461.28 = 45,998,599.16/x
  3. Step 3: Cross multiply
    85,156,823x = 117,516,461.28 × 45,998,599.16
  4. Step 4: Simplify right side
    85,156,823x = 5,405,592,597,120,380
  5. Step 5: Solve for x
    x = 5,405,592,597,120,380/85,156,823
  6. Step 6: Final answer
    x = 63,478,091.44

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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.