Home / 209,952,235.30-314,928,352.96-145,329,009.70

Finding the Fourth Proportional to 209,952,235.30, 314,928,352.96 and 145,329,009.70

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Solution

The fourth proportional to 209,952,235.30, 314,928,352.96 and 145,329,009.70 is: 217,993,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,235.30 : 314,928,352.96 = 145,329,009.70 : x
  2. Step 2: Convert to fraction form
    209,952,235.30/314,928,352.96 = 145,329,009.70/x
  3. Step 3: Cross multiply
    209,952,235.30x = 314,928,352.96 × 145,329,009.70
  4. Step 4: Simplify right side
    209,952,235.30x = 45,768,225,662,128,856
  5. Step 5: Solve for x
    x = 45,768,225,662,128,856/209,952,235.30
  6. Step 6: Final answer
    x = 217,993,514.56

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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.