Home / 161,768,571.20-242,652,856.80-46,756,865.60

Finding the Fourth Proportional to 161,768,571.20, 242,652,856.80 and 46,756,865.60

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Solution

The fourth proportional to 161,768,571.20, 242,652,856.80 and 46,756,865.60 is: 70,135,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,768,571.20 : 242,652,856.80 = 46,756,865.60 : x
  2. Step 2: Convert to fraction form
    161,768,571.20/242,652,856.80 = 46,756,865.60/x
  3. Step 3: Cross multiply
    161,768,571.20x = 242,652,856.80 × 46,756,865.60
  4. Step 4: Simplify right side
    161,768,571.20x = 11,345,687,012,853,646
  5. Step 5: Solve for x
    x = 11,345,687,012,853,646/161,768,571.20
  6. Step 6: Final answer
    x = 70,135,298.40

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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.