Home / 294,521,708.80-406,441,185.78-162,359,801.92

Finding the Fourth Proportional to 294,521,708.80, 406,441,185.78 and 162,359,801.92

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Solution

The fourth proportional to 294,521,708.80, 406,441,185.78 and 162,359,801.92 is: 224,057,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,521,708.80 : 406,441,185.78 = 162,359,801.92 : x
  2. Step 2: Convert to fraction form
    294,521,708.80/406,441,185.78 = 162,359,801.92/x
  3. Step 3: Cross multiply
    294,521,708.80x = 406,441,185.78 × 162,359,801.92
  4. Step 4: Simplify right side
    294,521,708.80x = 65,989,710,415,370,712
  5. Step 5: Solve for x
    x = 65,989,710,415,370,712/294,521,708.80
  6. Step 6: Final answer
    x = 224,057,203.40

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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.