Home / 207,180,868.20-310,771,302.30-198,334,890.60

Finding the Fourth Proportional to 207,180,868.20, 310,771,302.30 and 198,334,890.60

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Solution

The fourth proportional to 207,180,868.20, 310,771,302.30 and 198,334,890.60 is: 297,502,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,180,868.20 : 310,771,302.30 = 198,334,890.60 : x
  2. Step 2: Convert to fraction form
    207,180,868.20/310,771,302.30 = 198,334,890.60/x
  3. Step 3: Cross multiply
    207,180,868.20x = 310,771,302.30 × 198,334,890.60
  4. Step 4: Simplify right side
    207,180,868.20x = 61,636,792,243,290,032
  5. Step 5: Solve for x
    x = 61,636,792,243,290,032/207,180,868.20
  6. Step 6: Final answer
    x = 297,502,335.90

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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.