Home / 254,376,622.80-381,564,934.20-72,600,181.20

Finding the Fourth Proportional to 254,376,622.80, 381,564,934.20 and 72,600,181.20

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Solution

The fourth proportional to 254,376,622.80, 381,564,934.20 and 72,600,181.20 is: 108,900,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,376,622.80 : 381,564,934.20 = 72,600,181.20 : x
  2. Step 2: Convert to fraction form
    254,376,622.80/381,564,934.20 = 72,600,181.20/x
  3. Step 3: Cross multiply
    254,376,622.80x = 381,564,934.20 × 72,600,181.20
  4. Step 4: Simplify right side
    254,376,622.80x = 27,701,683,362,486,076
  5. Step 5: Solve for x
    x = 27,701,683,362,486,076/254,376,622.80
  6. Step 6: Final answer
    x = 108,900,271.80

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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.