Home / 98,668,742.88-147,943,181.82-49,427,329.68

Finding the Fourth Proportional to 98,668,742.88, 147,943,181.82 and 49,427,329.68

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Solution

The fourth proportional to 98,668,742.88, 147,943,181.82 and 49,427,329.68 is: 74,110,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,742.88 : 147,943,181.82 = 49,427,329.68 : x
  2. Step 2: Convert to fraction form
    98,668,742.88/147,943,181.82 = 49,427,329.68/x
  3. Step 3: Cross multiply
    98,668,742.88x = 147,943,181.82 × 49,427,329.68
  4. Step 4: Simplify right side
    98,668,742.88x = 7,312,436,421,725,322
  5. Step 5: Solve for x
    x = 7,312,436,421,725,322/98,668,742.88
  6. Step 6: Final answer
    x = 74,110,971.81

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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.