Home / 228,519,878.04-315,453,977.93-154,281,002.57

Finding the Fourth Proportional to 228,519,878.04, 315,453,977.93 and 154,281,002.57

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Solution

The fourth proportional to 228,519,878.04, 315,453,977.93 and 154,281,002.57 is: 212,972,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,519,878.04 : 315,453,977.93 = 154,281,002.57 : x
  2. Step 2: Convert to fraction form
    228,519,878.04/315,453,977.93 = 154,281,002.57/x
  3. Step 3: Cross multiply
    228,519,878.04x = 315,453,977.93 × 154,281,002.57
  4. Step 4: Simplify right side
    228,519,878.04x = 48,668,555,977,386,376
  5. Step 5: Solve for x
    x = 48,668,555,977,386,376/228,519,878.04
  6. Step 6: Final answer
    x = 212,972,964.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.