Home / 268,017,585.49-369,873,239.08-148,945,196.16

Finding the Fourth Proportional to 268,017,585.49, 369,873,239.08 and 148,945,196.16

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Solution

The fourth proportional to 268,017,585.49, 369,873,239.08 and 148,945,196.16 is: 205,549,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,017,585.49 : 369,873,239.08 = 148,945,196.16 : x
  2. Step 2: Convert to fraction form
    268,017,585.49/369,873,239.08 = 148,945,196.16/x
  3. Step 3: Cross multiply
    268,017,585.49x = 369,873,239.08 × 148,945,196.16
  4. Step 4: Simplify right side
    268,017,585.49x = 55,090,842,149,105,176
  5. Step 5: Solve for x
    x = 55,090,842,149,105,176/268,017,585.49
  6. Step 6: Final answer
    x = 205,549,356.21

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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.