Home / 198,763,623.61-298,281,624.06-69,371,233.70

Finding the Fourth Proportional to 198,763,623.61, 298,281,624.06 and 69,371,233.70

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Solution

The fourth proportional to 198,763,623.61, 298,281,624.06 and 69,371,233.70 is: 104,104,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763,623.61 : 298,281,624.06 = 69,371,233.70 : x
  2. Step 2: Convert to fraction form
    198,763,623.61/298,281,624.06 = 69,371,233.70/x
  3. Step 3: Cross multiply
    198,763,623.61x = 298,281,624.06 × 69,371,233.70
  4. Step 4: Simplify right side
    198,763,623.61x = 20,692,164,249,243,536
  5. Step 5: Solve for x
    x = 20,692,164,249,243,536/198,763,623.61
  6. Step 6: Final answer
    x = 104,104,382.25

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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.