Home / 341,430,525.36-512,147,116.68-82,645,330.41

Finding the Fourth Proportional to 341,430,525.36, 512,147,116.68 and 82,645,330.41

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Solution

The fourth proportional to 341,430,525.36, 512,147,116.68 and 82,645,330.41 is: 123,968,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430,525.36 : 512,147,116.68 = 82,645,330.41 : x
  2. Step 2: Convert to fraction form
    341,430,525.36/512,147,116.68 = 82,645,330.41/x
  3. Step 3: Cross multiply
    341,430,525.36x = 512,147,116.68 × 82,645,330.41
  4. Step 4: Simplify right side
    341,430,525.36x = 42,326,567,676,547,424
  5. Step 5: Solve for x
    x = 42,326,567,676,547,424/341,430,525.36
  6. Step 6: Final answer
    x = 123,968,317.22

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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.