Home / 242,036,700.35-363,007,811.33-80,478,636.35

Finding the Fourth Proportional to 242,036,700.35, 363,007,811.33 and 80,478,636.35

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Solution

The fourth proportional to 242,036,700.35, 363,007,811.33 and 80,478,636.35 is: 120,702,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,036,700.35 : 363,007,811.33 = 80,478,636.35 : x
  2. Step 2: Convert to fraction form
    242,036,700.35/363,007,811.33 = 80,478,636.35/x
  3. Step 3: Cross multiply
    242,036,700.35x = 363,007,811.33 × 80,478,636.35
  4. Step 4: Simplify right side
    242,036,700.35x = 29,214,373,639,834,084
  5. Step 5: Solve for x
    x = 29,214,373,639,834,084/242,036,700.35
  6. Step 6: Final answer
    x = 120,702,247.21

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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.