Home / 81,686,894.49-122,556,244.05-29,163,439.08

Finding the Fourth Proportional to 81,686,894.49, 122,556,244.05 and 29,163,439.08

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Solution

The fourth proportional to 81,686,894.49, 122,556,244.05 and 29,163,439.08 is: 43,754,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,686,894.49 : 122,556,244.05 = 29,163,439.08 : x
  2. Step 2: Convert to fraction form
    81,686,894.49/122,556,244.05 = 29,163,439.08/x
  3. Step 3: Cross multiply
    81,686,894.49x = 122,556,244.05 × 29,163,439.08
  4. Step 4: Simplify right side
    81,686,894.49x = 3,574,161,557,225,787
  5. Step 5: Solve for x
    x = 3,574,161,557,225,787/81,686,894.49
  6. Step 6: Final answer
    x = 43,754,406.13

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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.