Home / 148,495,122.72-204,920,186.85-82,411,783.02

Finding the Fourth Proportional to 148,495,122.72, 204,920,186.85 and 82,411,783.02

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Solution

The fourth proportional to 148,495,122.72, 204,920,186.85 and 82,411,783.02 is: 113,726,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,495,122.72 : 204,920,186.85 = 82,411,783.02 : x
  2. Step 2: Convert to fraction form
    148,495,122.72/204,920,186.85 = 82,411,783.02/x
  3. Step 3: Cross multiply
    148,495,122.72x = 204,920,186.85 × 82,411,783.02
  4. Step 4: Simplify right side
    148,495,122.72x = 16,887,837,975,100,056
  5. Step 5: Solve for x
    x = 16,887,837,975,100,056/148,495,122.72
  6. Step 6: Final answer
    x = 113,726,549.84

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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.