Home / 317,556,019.52-476,247,994.08-87,470,384.96

Finding the Fourth Proportional to 317,556,019.52, 476,247,994.08 and 87,470,384.96

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Solution

The fourth proportional to 317,556,019.52, 476,247,994.08 and 87,470,384.96 is: 131,181,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,556,019.52 : 476,247,994.08 = 87,470,384.96 : x
  2. Step 2: Convert to fraction form
    317,556,019.52/476,247,994.08 = 87,470,384.96/x
  3. Step 3: Cross multiply
    317,556,019.52x = 476,247,994.08 × 87,470,384.96
  4. Step 4: Simplify right side
    317,556,019.52x = 41,657,595,378,605,400
  5. Step 5: Solve for x
    x = 41,657,595,378,605,400/317,556,019.52
  6. Step 6: Final answer
    x = 131,181,879.16

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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.