Home / 199,331,353.70-298,997,030.55-145,583,641.70

Finding the Fourth Proportional to 199,331,353.70, 298,997,030.55 and 145,583,641.70

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Solution

The fourth proportional to 199,331,353.70, 298,997,030.55 and 145,583,641.70 is: 218,375,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,353.70 : 298,997,030.55 = 145,583,641.70 : x
  2. Step 2: Convert to fraction form
    199,331,353.70/298,997,030.55 = 145,583,641.70/x
  3. Step 3: Cross multiply
    199,331,353.70x = 298,997,030.55 × 145,583,641.70
  4. Step 4: Simplify right side
    199,331,353.70x = 43,529,076,564,955,152
  5. Step 5: Solve for x
    x = 43,529,076,564,955,152/199,331,353.70
  6. Step 6: Final answer
    x = 218,375,462.55

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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.