Home / 245,862,887.92-339,310,133.26-140,020,783.68

Finding the Fourth Proportional to 245,862,887.92, 339,310,133.26 and 140,020,783.68

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Solution

The fourth proportional to 245,862,887.92, 339,310,133.26 and 140,020,783.68 is: 193,239,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862,887.92 : 339,310,133.26 = 140,020,783.68 : x
  2. Step 2: Convert to fraction form
    245,862,887.92/339,310,133.26 = 140,020,783.68/x
  3. Step 3: Cross multiply
    245,862,887.92x = 339,310,133.26 × 140,020,783.68
  4. Step 4: Simplify right side
    245,862,887.92x = 47,510,470,769,630,432
  5. Step 5: Solve for x
    x = 47,510,470,769,630,432/245,862,887.92
  6. Step 6: Final answer
    x = 193,239,700.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.