Home / 236,682,419.40-355,023,629.10-193,635,698.40

Finding the Fourth Proportional to 236,682,419.40, 355,023,629.10 and 193,635,698.40

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Solution

The fourth proportional to 236,682,419.40, 355,023,629.10 and 193,635,698.40 is: 290,453,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,682,419.40 : 355,023,629.10 = 193,635,698.40 : x
  2. Step 2: Convert to fraction form
    236,682,419.40/355,023,629.10 = 193,635,698.40/x
  3. Step 3: Cross multiply
    236,682,419.40x = 355,023,629.10 × 193,635,698.40
  4. Step 4: Simplify right side
    236,682,419.40x = 68,745,248,369,281,072
  5. Step 5: Solve for x
    x = 68,745,248,369,281,072/236,682,419.40
  6. Step 6: Final answer
    x = 290,453,547.60

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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.