Home / 309,012,928.32-463,447,483.32-115,015,705.68

Finding the Fourth Proportional to 309,012,928.32, 463,447,483.32 and 115,015,705.68

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Solution

The fourth proportional to 309,012,928.32, 463,447,483.32 and 115,015,705.68 is: 172,496,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,012,928.32 : 463,447,483.32 = 115,015,705.68 : x
  2. Step 2: Convert to fraction form
    309,012,928.32/463,447,483.32 = 115,015,705.68/x
  3. Step 3: Cross multiply
    309,012,928.32x = 463,447,483.32 × 115,015,705.68
  4. Step 4: Simplify right side
    309,012,928.32x = 53,303,739,341,190,376
  5. Step 5: Solve for x
    x = 53,303,739,341,190,376/309,012,928.32
  6. Step 6: Final answer
    x = 172,496,793.68

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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.