Home / 286,291,243.90-429,562,837.05-132,858,322.30

Finding the Fourth Proportional to 286,291,243.90, 429,562,837.05 and 132,858,322.30

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Solution

The fourth proportional to 286,291,243.90, 429,562,837.05 and 132,858,322.30 is: 199,345,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,291,243.90 : 429,562,837.05 = 132,858,322.30 : x
  2. Step 2: Convert to fraction form
    286,291,243.90/429,562,837.05 = 132,858,322.30/x
  3. Step 3: Cross multiply
    286,291,243.90x = 429,562,837.05 × 132,858,322.30
  4. Step 4: Simplify right side
    286,291,243.90x = 57,070,997,852,891,280
  5. Step 5: Solve for x
    x = 57,070,997,852,891,280/286,291,243.90
  6. Step 6: Final answer
    x = 199,345,942.53

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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.