Home / 98,971,639.86-148,408,890.03-40,668,755.70

Finding the Fourth Proportional to 98,971,639.86, 148,408,890.03 and 40,668,755.70

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Solution

The fourth proportional to 98,971,639.86, 148,408,890.03 and 40,668,755.70 is: 60,983,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,971,639.86 : 148,408,890.03 = 40,668,755.70 : x
  2. Step 2: Convert to fraction form
    98,971,639.86/148,408,890.03 = 40,668,755.70/x
  3. Step 3: Cross multiply
    98,971,639.86x = 148,408,890.03 × 40,668,755.70
  4. Step 4: Simplify right side
    98,971,639.86x = 6,035,604,892,338,236
  5. Step 5: Solve for x
    x = 6,035,604,892,338,236/98,971,639.86
  6. Step 6: Final answer
    x = 60,983,175.59

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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.