Home / 376,057,101.98-518,975,008.86-208,793,371.46

Finding the Fourth Proportional to 376,057,101.98, 518,975,008.86 and 208,793,371.46

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Solution

The fourth proportional to 376,057,101.98, 518,975,008.86 and 208,793,371.46 is: 288,143,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057,101.98 : 518,975,008.86 = 208,793,371.46 : x
  2. Step 2: Convert to fraction form
    376,057,101.98/518,975,008.86 = 208,793,371.46/x
  3. Step 3: Cross multiply
    376,057,101.98x = 518,975,008.86 × 208,793,371.46
  4. Step 4: Simplify right side
    376,057,101.98x = 108,358,541,803,362,784
  5. Step 5: Solve for x
    x = 108,358,541,803,362,784/376,057,101.98
  6. Step 6: Final answer
    x = 288,143,851.65

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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.