Home / 147,623,909,956.90-221,414,365,850.55-42,923,366,980.90

Finding the Fourth Proportional to 147,623,909,956.90, 221,414,365,850.55 and 42,923,366,980.90

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Solution

The fourth proportional to 147,623,909,956.90, 221,414,365,850.55 and 42,923,366,980.90 is: 64,378,799,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,909,956.90 : 221,414,365,850.55 = 42,923,366,980.90 : x
  2. Step 2: Convert to fraction form
    147,623,909,956.90/221,414,365,850.55 = 42,923,366,980.90/x
  3. Step 3: Cross multiply
    147,623,909,956.90x = 221,414,365,850.55 × 42,923,366,980.90
  4. Step 4: Simplify right side
    147,623,909,956.90x = 9,503,850,080,246,410,772,480
  5. Step 5: Solve for x
    x = 9,503,850,080,246,410,772,480/147,623,909,956.90
  6. Step 6: Final answer
    x = 64,378,799,362.66

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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.