Home / 65,845,001.57-98,789,552.48-21,531,330.51

Finding the Fourth Proportional to 65,845,001.57, 98,789,552.48 and 21,531,330.51

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Solution

The fourth proportional to 65,845,001.57, 98,789,552.48 and 21,531,330.51 is: 32,304,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845,001.57 : 98,789,552.48 = 21,531,330.51 : x
  2. Step 2: Convert to fraction form
    65,845,001.57/98,789,552.48 = 21,531,330.51/x
  3. Step 3: Cross multiply
    65,845,001.57x = 98,789,552.48 × 21,531,330.51
  4. Step 4: Simplify right side
    65,845,001.57x = 2,127,070,505,381,870.50
  5. Step 5: Solve for x
    x = 2,127,070,505,381,870.50/65,845,001.57
  6. Step 6: Final answer
    x = 32,304,206.16

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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.