Home / 73,252,823,320.80-109,879,234,981.20-18,107,670,808.80

Finding the Fourth Proportional to 73,252,823,320.80, 109,879,234,981.20 and 18,107,670,808.80

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Solution

The fourth proportional to 73,252,823,320.80, 109,879,234,981.20 and 18,107,670,808.80 is: 27,161,506,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252,823,320.80 : 109,879,234,981.20 = 18,107,670,808.80 : x
  2. Step 2: Convert to fraction form
    73,252,823,320.80/109,879,234,981.20 = 18,107,670,808.80/x
  3. Step 3: Cross multiply
    73,252,823,320.80x = 109,879,234,981.20 × 18,107,670,808.80
  4. Step 4: Simplify right side
    73,252,823,320.80x = 1,989,657,015,762,351,030,272
  5. Step 5: Solve for x
    x = 1,989,657,015,762,351,030,272/73,252,823,320.80
  6. Step 6: Final answer
    x = 27,161,506,213.20

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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.