Home / 385,477,045.62-578,215,553.85-112,847,812.62

Finding the Fourth Proportional to 385,477,045.62, 578,215,553.85 and 112,847,812.62

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Solution

The fourth proportional to 385,477,045.62, 578,215,553.85 and 112,847,812.62 is: 169,271,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,477,045.62 : 578,215,553.85 = 112,847,812.62 : x
  2. Step 2: Convert to fraction form
    385,477,045.62/578,215,553.85 = 112,847,812.62/x
  3. Step 3: Cross multiply
    385,477,045.62x = 578,215,553.85 × 112,847,812.62
  4. Step 4: Simplify right side
    385,477,045.62x = 65,250,360,474,834,328
  5. Step 5: Solve for x
    x = 65,250,360,474,834,328/385,477,045.62
  6. Step 6: Final answer
    x = 169,271,714.66

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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.