Home / 98,668,738.85-147,943,175.85-49,427,325.68

Finding the Fourth Proportional to 98,668,738.85, 147,943,175.85 and 49,427,325.68

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Solution

The fourth proportional to 98,668,738.85, 147,943,175.85 and 49,427,325.68 is: 74,110,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,738.85 : 147,943,175.85 = 49,427,325.68 : x
  2. Step 2: Convert to fraction form
    98,668,738.85/147,943,175.85 = 49,427,325.68/x
  3. Step 3: Cross multiply
    98,668,738.85x = 147,943,175.85 × 49,427,325.68
  4. Step 4: Simplify right side
    98,668,738.85x = 7,312,435,534,871,460
  5. Step 5: Solve for x
    x = 7,312,435,534,871,460/98,668,738.85
  6. Step 6: Final answer
    x = 74,110,965.84

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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.