Home / 290,706,851.88-401,074,151.13-186,342,468.30

Finding the Fourth Proportional to 290,706,851.88, 401,074,151.13 and 186,342,468.30

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Solution

The fourth proportional to 290,706,851.88, 401,074,151.13 and 186,342,468.30 is: 257,087,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,706,851.88 : 401,074,151.13 = 186,342,468.30 : x
  2. Step 2: Convert to fraction form
    290,706,851.88/401,074,151.13 = 186,342,468.30/x
  3. Step 3: Cross multiply
    290,706,851.88x = 401,074,151.13 × 186,342,468.30
  4. Step 4: Simplify right side
    290,706,851.88x = 74,737,147,292,891,440
  5. Step 5: Solve for x
    x = 74,737,147,292,891,440/290,706,851.88
  6. Step 6: Final answer
    x = 257,087,670.31

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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.