Home / 309,949,006.16-463,831,533.32-193,419,191.81

Finding the Fourth Proportional to 309,949,006.16, 463,831,533.32 and 193,419,191.81

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Solution

The fourth proportional to 309,949,006.16, 463,831,533.32 and 193,419,191.81 is: 289,447,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,949,006.16 : 463,831,533.32 = 193,419,191.81 : x
  2. Step 2: Convert to fraction form
    309,949,006.16/463,831,533.32 = 193,419,191.81/x
  3. Step 3: Cross multiply
    309,949,006.16x = 463,831,533.32 × 193,419,191.81
  4. Step 4: Simplify right side
    309,949,006.16x = 89,713,920,307,461,232
  5. Step 5: Solve for x
    x = 89,713,920,307,461,232/309,949,006.16
  6. Step 6: Final answer
    x = 289,447,355.94

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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.