Home / 98,668,736.85-147,943,172.85-49,427,323.68

Finding the Fourth Proportional to 98,668,736.85, 147,943,172.85 and 49,427,323.68

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Solution

The fourth proportional to 98,668,736.85, 147,943,172.85 and 49,427,323.68 is: 74,110,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,736.85 : 147,943,172.85 = 49,427,323.68 : x
  2. Step 2: Convert to fraction form
    98,668,736.85/147,943,172.85 = 49,427,323.68/x
  3. Step 3: Cross multiply
    98,668,736.85x = 147,943,172.85 × 49,427,323.68
  4. Step 4: Simplify right side
    98,668,736.85x = 7,312,435,090,703,138
  5. Step 5: Solve for x
    x = 7,312,435,090,703,138/98,668,736.85
  6. Step 6: Final answer
    x = 74,110,962.85

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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.