Home / 198,521,570.80-297,782,356.20-152,605,068.40

Finding the Fourth Proportional to 198,521,570.80, 297,782,356.20 and 152,605,068.40

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Solution

The fourth proportional to 198,521,570.80, 297,782,356.20 and 152,605,068.40 is: 228,907,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521,570.80 : 297,782,356.20 = 152,605,068.40 : x
  2. Step 2: Convert to fraction form
    198,521,570.80/297,782,356.20 = 152,605,068.40/x
  3. Step 3: Cross multiply
    198,521,570.80x = 297,782,356.20 × 152,605,068.40
  4. Step 4: Simplify right side
    198,521,570.80x = 45,443,096,836,214,168
  5. Step 5: Solve for x
    x = 45,443,096,836,214,168/198,521,570.80
  6. Step 6: Final answer
    x = 228,907,602.60

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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.