Home / 21,248,892,734.10-31,893,746,435.55-18,146,977,905.30

Finding the Fourth Proportional to 21,248,892,734.10, 31,893,746,435.55 and 18,146,977,905.30

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Solution

The fourth proportional to 21,248,892,734.10, 31,893,746,435.55 and 18,146,977,905.30 is: 27,237,895,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,892,734.10 : 31,893,746,435.55 = 18,146,977,905.30 : x
  2. Step 2: Convert to fraction form
    21,248,892,734.10/31,893,746,435.55 = 18,146,977,905.30/x
  3. Step 3: Cross multiply
    21,248,892,734.10x = 31,893,746,435.55 × 18,146,977,905.30
  4. Step 4: Simplify right side
    21,248,892,734.10x = 578,775,111,883,166,449,664
  5. Step 5: Solve for x
    x = 578,775,111,883,166,449,664/21,248,892,734.10
  6. Step 6: Final answer
    x = 27,237,895,128.26

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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.