Home / 249,253,243.78-373,545,664.71-193,987,813.24

Finding the Fourth Proportional to 249,253,243.78, 373,545,664.71 and 193,987,813.24

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Solution

The fourth proportional to 249,253,243.78, 373,545,664.71 and 193,987,813.24 is: 290,721,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,253,243.78 : 373,545,664.71 = 193,987,813.24 : x
  2. Step 2: Convert to fraction form
    249,253,243.78/373,545,664.71 = 193,987,813.24/x
  3. Step 3: Cross multiply
    249,253,243.78x = 373,545,664.71 × 193,987,813.24
  4. Step 4: Simplify right side
    249,253,243.78x = 72,463,306,642,860,112
  5. Step 5: Solve for x
    x = 72,463,306,642,860,112/249,253,243.78
  6. Step 6: Final answer
    x = 290,721,619.28

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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.