Home / 147,623,909,958.40-221,414,365,852.80-42,923,366,982.40

Finding the Fourth Proportional to 147,623,909,958.40, 221,414,365,852.80 and 42,923,366,982.40

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Solution

The fourth proportional to 147,623,909,958.40, 221,414,365,852.80 and 42,923,366,982.40 is: 64,378,799,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,909,958.40 : 221,414,365,852.80 = 42,923,366,982.40 : x
  2. Step 2: Convert to fraction form
    147,623,909,958.40/221,414,365,852.80 = 42,923,366,982.40/x
  3. Step 3: Cross multiply
    147,623,909,958.40x = 221,414,365,852.80 × 42,923,366,982.40
  4. Step 4: Simplify right side
    147,623,909,958.40x = 9,503,850,080,675,108,487,168
  5. Step 5: Solve for x
    x = 9,503,850,080,675,108,487,168/147,623,909,958.40
  6. Step 6: Final answer
    x = 64,378,799,364.91

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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.