Home / 209,953,939.80-314,930,909.70-64,409,964.60

Finding the Fourth Proportional to 209,953,939.80, 314,930,909.70 and 64,409,964.60

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Solution

The fourth proportional to 209,953,939.80, 314,930,909.70 and 64,409,964.60 is: 96,614,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,939.80 : 314,930,909.70 = 64,409,964.60 : x
  2. Step 2: Convert to fraction form
    209,953,939.80/314,930,909.70 = 64,409,964.60/x
  3. Step 3: Cross multiply
    209,953,939.80x = 314,930,909.70 × 64,409,964.60
  4. Step 4: Simplify right side
    209,953,939.80x = 20,284,688,745,222,796
  5. Step 5: Solve for x
    x = 20,284,688,745,222,796/209,953,939.80
  6. Step 6: Final answer
    x = 96,614,946.90

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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.