Home / 21,248,892,760.60-31,893,746,475.30-18,146,977,931.80

Finding the Fourth Proportional to 21,248,892,760.60, 31,893,746,475.30 and 18,146,977,931.80

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Solution

The fourth proportional to 21,248,892,760.60, 31,893,746,475.30 and 18,146,977,931.80 is: 27,237,895,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,892,760.60 : 31,893,746,475.30 = 18,146,977,931.80 : x
  2. Step 2: Convert to fraction form
    21,248,892,760.60/31,893,746,475.30 = 18,146,977,931.80/x
  3. Step 3: Cross multiply
    21,248,892,760.60x = 31,893,746,475.30 × 18,146,977,931.80
  4. Step 4: Simplify right side
    21,248,892,760.60x = 578,775,113,449,693,118,464
  5. Step 5: Solve for x
    x = 578,775,113,449,693,118,464/21,248,892,760.60
  6. Step 6: Final answer
    x = 27,237,895,168.02

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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.