Home / 219,463,965.40-328,860,024.90-207,370,730.20

Finding the Fourth Proportional to 219,463,965.40, 328,860,024.90 and 207,370,730.20

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Solution

The fourth proportional to 219,463,965.40, 328,860,024.90 and 207,370,730.20 is: 310,738,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,463,965.40 : 328,860,024.90 = 207,370,730.20 : x
  2. Step 2: Convert to fraction form
    219,463,965.40/328,860,024.90 = 207,370,730.20/x
  3. Step 3: Cross multiply
    219,463,965.40x = 328,860,024.90 × 207,370,730.20
  4. Step 4: Simplify right side
    219,463,965.40x = 68,195,943,497,103,176
  5. Step 5: Solve for x
    x = 68,195,943,497,103,176/219,463,965.40
  6. Step 6: Final answer
    x = 310,738,682.65

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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.