Home / 70,147,422.60-105,221,133.90-31,883,670.60

Finding the Fourth Proportional to 70,147,422.60, 105,221,133.90 and 31,883,670.60

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Solution

The fourth proportional to 70,147,422.60, 105,221,133.90 and 31,883,670.60 is: 47,825,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147,422.60 : 105,221,133.90 = 31,883,670.60 : x
  2. Step 2: Convert to fraction form
    70,147,422.60/105,221,133.90 = 31,883,670.60/x
  3. Step 3: Cross multiply
    70,147,422.60x = 105,221,133.90 × 31,883,670.60
  4. Step 4: Simplify right side
    70,147,422.60x = 3,354,835,973,426,093.50
  5. Step 5: Solve for x
    x = 3,354,835,973,426,093.50/70,147,422.60
  6. Step 6: Final answer
    x = 47,825,505.90

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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.