Home / 290,996,110.02-401,514,686.02-167,212,872.30

Finding the Fourth Proportional to 290,996,110.02, 401,514,686.02 and 167,212,872.30

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Solution

The fourth proportional to 290,996,110.02, 401,514,686.02 and 167,212,872.30 is: 230,719,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,996,110.02 : 401,514,686.02 = 167,212,872.30 : x
  2. Step 2: Convert to fraction form
    290,996,110.02/401,514,686.02 = 167,212,872.30/x
  3. Step 3: Cross multiply
    290,996,110.02x = 401,514,686.02 × 167,212,872.30
  4. Step 4: Simplify right side
    290,996,110.02x = 67,138,423,920,036,856
  5. Step 5: Solve for x
    x = 67,138,423,920,036,856/290,996,110.02
  6. Step 6: Final answer
    x = 230,719,317.57

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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.