Home / 61,937,881.20-92,906,821.80-21,548,365.20

Finding the Fourth Proportional to 61,937,881.20, 92,906,821.80 and 21,548,365.20

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Solution

The fourth proportional to 61,937,881.20, 92,906,821.80 and 21,548,365.20 is: 32,322,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937,881.20 : 92,906,821.80 = 21,548,365.20 : x
  2. Step 2: Convert to fraction form
    61,937,881.20/92,906,821.80 = 21,548,365.20/x
  3. Step 3: Cross multiply
    61,937,881.20x = 92,906,821.80 × 21,548,365.20
  4. Step 4: Simplify right side
    61,937,881.20x = 2,001,990,125,717,721.25
  5. Step 5: Solve for x
    x = 2,001,990,125,717,721.25/61,937,881.20
  6. Step 6: Final answer
    x = 32,322,547.80

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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.