Home / 57,635,042.09-79,536,985.85-31,528,999.45

Finding the Fourth Proportional to 57,635,042.09, 79,536,985.85 and 31,528,999.45

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Solution

The fourth proportional to 57,635,042.09, 79,536,985.85 and 31,528,999.45 is: 43,510,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635,042.09 : 79,536,985.85 = 31,528,999.45 : x
  2. Step 2: Convert to fraction form
    57,635,042.09/79,536,985.85 = 31,528,999.45/x
  3. Step 3: Cross multiply
    57,635,042.09x = 79,536,985.85 × 31,528,999.45
  4. Step 4: Simplify right side
    57,635,042.09x = 2,507,721,582,563,978
  5. Step 5: Solve for x
    x = 2,507,721,582,563,978/57,635,042.09
  6. Step 6: Final answer
    x = 43,510,362.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.