Home / 74,902,679.10-112,354,018.65-21,049,991.10

Finding the Fourth Proportional to 74,902,679.10, 112,354,018.65 and 21,049,991.10

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Solution

The fourth proportional to 74,902,679.10, 112,354,018.65 and 21,049,991.10 is: 31,574,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,679.10 : 112,354,018.65 = 21,049,991.10 : x
  2. Step 2: Convert to fraction form
    74,902,679.10/112,354,018.65 = 21,049,991.10/x
  3. Step 3: Cross multiply
    74,902,679.10x = 112,354,018.65 × 21,049,991.10
  4. Step 4: Simplify right side
    74,902,679.10x = 2,365,051,092,631,734.50
  5. Step 5: Solve for x
    x = 2,365,051,092,631,734.50/74,902,679.10
  6. Step 6: Final answer
    x = 31,574,986.65

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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.