Home / 294,990,070-407,086,235.08-162,831,032.04

Finding the Fourth Proportional to 294,990,070, 407,086,235.08 and 162,831,032.04

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Solution

The fourth proportional to 294,990,070, 407,086,235.08 and 162,831,032.04 is: 224,706,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,990,070 : 407,086,235.08 = 162,831,032.04 : x
  2. Step 2: Convert to fraction form
    294,990,070/407,086,235.08 = 162,831,032.04/x
  3. Step 3: Cross multiply
    294,990,070x = 407,086,235.08 × 162,831,032.04
  4. Step 4: Simplify right side
    294,990,070x = 66,286,271,787,354,448
  5. Step 5: Solve for x
    x = 66,286,271,787,354,448/294,990,070
  6. Step 6: Final answer
    x = 224,706,790.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.