Home / 277,860,870.72-383,386,219.20-160,361,311.68

Finding the Fourth Proportional to 277,860,870.72, 383,386,219.20 and 160,361,311.68

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Solution

The fourth proportional to 277,860,870.72, 383,386,219.20 and 160,361,311.68 is: 221,262,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,860,870.72 : 383,386,219.20 = 160,361,311.68 : x
  2. Step 2: Convert to fraction form
    277,860,870.72/383,386,219.20 = 160,361,311.68/x
  3. Step 3: Cross multiply
    277,860,870.72x = 383,386,219.20 × 160,361,311.68
  4. Step 4: Simplify right side
    277,860,870.72x = 61,480,316,990,948,000
  5. Step 5: Solve for x
    x = 61,480,316,990,948,000/277,860,870.72
  6. Step 6: Final answer
    x = 221,262,953.76

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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.