Home / 98,668,734.86-147,943,169.86-49,427,321.67

Finding the Fourth Proportional to 98,668,734.86, 147,943,169.86 and 49,427,321.67

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Solution

The fourth proportional to 98,668,734.86, 147,943,169.86 and 49,427,321.67 is: 74,110,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,734.86 : 147,943,169.86 = 49,427,321.67 : x
  2. Step 2: Convert to fraction form
    98,668,734.86/147,943,169.86 = 49,427,321.67/x
  3. Step 3: Cross multiply
    98,668,734.86x = 147,943,169.86 × 49,427,321.67
  4. Step 4: Simplify right side
    98,668,734.86x = 7,312,434,645,549,670
  5. Step 5: Solve for x
    x = 7,312,434,645,549,670/98,668,734.86
  6. Step 6: Final answer
    x = 74,110,959.83

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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.