Home / 81,495,743.29-112,453,918.28-55,091,547.56

Finding the Fourth Proportional to 81,495,743.29, 112,453,918.28 and 55,091,547.56

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Solution

The fourth proportional to 81,495,743.29, 112,453,918.28 and 55,091,547.56 is: 76,019,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,495,743.29 : 112,453,918.28 = 55,091,547.56 : x
  2. Step 2: Convert to fraction form
    81,495,743.29/112,453,918.28 = 55,091,547.56/x
  3. Step 3: Cross multiply
    81,495,743.29x = 112,453,918.28 × 55,091,547.56
  4. Step 4: Simplify right side
    81,495,743.29x = 6,195,260,387,443,244
  5. Step 5: Solve for x
    x = 6,195,260,387,443,244/81,495,743.29
  6. Step 6: Final answer
    x = 76,019,435.34

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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.