Home / 45,631,992.96-68,401,931.13-28,604,623.32

Finding the Fourth Proportional to 45,631,992.96, 68,401,931.13 and 28,604,623.32

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Solution

The fourth proportional to 45,631,992.96, 68,401,931.13 and 28,604,623.32 is: 42,878,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631,992.96 : 68,401,931.13 = 28,604,623.32 : x
  2. Step 2: Convert to fraction form
    45,631,992.96/68,401,931.13 = 28,604,623.32/x
  3. Step 3: Cross multiply
    45,631,992.96x = 68,401,931.13 × 28,604,623.32
  4. Step 4: Simplify right side
    45,631,992.96x = 1,956,611,474,334,231.75
  5. Step 5: Solve for x
    x = 1,956,611,474,334,231.75/45,631,992.96
  6. Step 6: Final answer
    x = 42,878,063.12

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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.