Home / 114,985,737,500.72-172,324,433,276.04-89,490,671,654.72

Finding the Fourth Proportional to 114,985,737,500.72, 172,324,433,276.04 and 89,490,671,654.72

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Solution

The fourth proportional to 114,985,737,500.72, 172,324,433,276.04 and 89,490,671,654.72 is: 134,116,018,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985,737,500.72 : 172,324,433,276.04 = 89,490,671,654.72 : x
  2. Step 2: Convert to fraction form
    114,985,737,500.72/172,324,433,276.04 = 89,490,671,654.72/x
  3. Step 3: Cross multiply
    114,985,737,500.72x = 172,324,433,276.04 × 89,490,671,654.72
  4. Step 4: Simplify right side
    114,985,737,500.72x = 15,421,429,276,391,801,618,432
  5. Step 5: Solve for x
    x = 15,421,429,276,391,801,618,432/114,985,737,500.72
  6. Step 6: Final answer
    x = 134,116,018,313.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.