Home / 65,228,956.48-90,016,017.86-35,860,788.71

Finding the Fourth Proportional to 65,228,956.48, 90,016,017.86 and 35,860,788.71

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Solution

The fourth proportional to 65,228,956.48, 90,016,017.86 and 35,860,788.71 is: 49,487,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228,956.48 : 90,016,017.86 = 35,860,788.71 : x
  2. Step 2: Convert to fraction form
    65,228,956.48/90,016,017.86 = 35,860,788.71/x
  3. Step 3: Cross multiply
    65,228,956.48x = 90,016,017.86 × 35,860,788.71
  4. Step 4: Simplify right side
    65,228,956.48x = 3,228,045,397,223,303.50
  5. Step 5: Solve for x
    x = 3,228,045,397,223,303.50/65,228,956.48
  6. Step 6: Final answer
    x = 49,487,920.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.