Home / 61,590,406.72-84,989,001.96-36,805,675.18

Finding the Fourth Proportional to 61,590,406.72, 84,989,001.96 and 36,805,675.18

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Solution

The fourth proportional to 61,590,406.72, 84,989,001.96 and 36,805,675.18 is: 50,788,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590,406.72 : 84,989,001.96 = 36,805,675.18 : x
  2. Step 2: Convert to fraction form
    61,590,406.72/84,989,001.96 = 36,805,675.18/x
  3. Step 3: Cross multiply
    61,590,406.72x = 84,989,001.96 × 36,805,675.18
  4. Step 4: Simplify right side
    61,590,406.72x = 3,128,077,600,012,143
  5. Step 5: Solve for x
    x = 3,128,077,600,012,143/61,590,406.72
  6. Step 6: Final answer
    x = 50,788,390.05

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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.