Home / 98,971,632.61-148,408,879.15-40,668,748.45

Finding the Fourth Proportional to 98,971,632.61, 148,408,879.15 and 40,668,748.45

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Solution

The fourth proportional to 98,971,632.61, 148,408,879.15 and 40,668,748.45 is: 60,983,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,971,632.61 : 148,408,879.15 = 40,668,748.45 : x
  2. Step 2: Convert to fraction form
    98,971,632.61/148,408,879.15 = 40,668,748.45/x
  3. Step 3: Cross multiply
    98,971,632.61x = 148,408,879.15 × 40,668,748.45
  4. Step 4: Simplify right side
    98,971,632.61x = 6,035,603,373,897,801
  5. Step 5: Solve for x
    x = 6,035,603,373,897,801/98,971,632.61
  6. Step 6: Final answer
    x = 60,983,164.72

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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.