Home / 129,084,590.95-193,684,065.55-67,659,151.64

Finding the Fourth Proportional to 129,084,590.95, 193,684,065.55 and 67,659,151.64

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Solution

The fourth proportional to 129,084,590.95, 193,684,065.55 and 67,659,151.64 is: 101,518,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,084,590.95 : 193,684,065.55 = 67,659,151.64 : x
  2. Step 2: Convert to fraction form
    129,084,590.95/193,684,065.55 = 67,659,151.64/x
  3. Step 3: Cross multiply
    129,084,590.95x = 193,684,065.55 × 67,659,151.64
  4. Step 4: Simplify right side
    129,084,590.95x = 13,104,499,562,176,518
  5. Step 5: Solve for x
    x = 13,104,499,562,176,518/129,084,590.95
  6. Step 6: Final answer
    x = 101,518,697.67

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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.