Home / 276,877,008.10-415,315,512.15-115,297,948.90

Finding the Fourth Proportional to 276,877,008.10, 415,315,512.15 and 115,297,948.90

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Solution

The fourth proportional to 276,877,008.10, 415,315,512.15 and 115,297,948.90 is: 172,946,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,877,008.10 : 415,315,512.15 = 115,297,948.90 : x
  2. Step 2: Convert to fraction form
    276,877,008.10/415,315,512.15 = 115,297,948.90/x
  3. Step 3: Cross multiply
    276,877,008.10x = 415,315,512.15 × 115,297,948.90
  4. Step 4: Simplify right side
    276,877,008.10x = 47,885,026,697,248,032
  5. Step 5: Solve for x
    x = 47,885,026,697,248,032/276,877,008.10
  6. Step 6: Final answer
    x = 172,946,923.35

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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.