Home / 288,252,081.81-432,288,697.77-103,995,604.89

Finding the Fourth Proportional to 288,252,081.81, 432,288,697.77 and 103,995,604.89

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Solution

The fourth proportional to 288,252,081.81, 432,288,697.77 and 103,995,604.89 is: 155,961,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,252,081.81 : 432,288,697.77 = 103,995,604.89 : x
  2. Step 2: Convert to fraction form
    288,252,081.81/432,288,697.77 = 103,995,604.89/x
  3. Step 3: Cross multiply
    288,252,081.81x = 432,288,697.77 × 103,995,604.89
  4. Step 4: Simplify right side
    288,252,081.81x = 44,956,124,611,701,544
  5. Step 5: Solve for x
    x = 44,956,124,611,701,544/288,252,081.81
  6. Step 6: Final answer
    x = 155,961,144.60

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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.