Home / 145,883,721.60-218,294,141.40-107,619,969.60

Finding the Fourth Proportional to 145,883,721.60, 218,294,141.40 and 107,619,969.60

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Solution

The fourth proportional to 145,883,721.60, 218,294,141.40 and 107,619,969.60 is: 161,037,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,883,721.60 : 218,294,141.40 = 107,619,969.60 : x
  2. Step 2: Convert to fraction form
    145,883,721.60/218,294,141.40 = 107,619,969.60/x
  3. Step 3: Cross multiply
    145,883,721.60x = 218,294,141.40 × 107,619,969.60
  4. Step 4: Simplify right side
    145,883,721.60x = 23,492,808,861,326,100
  5. Step 5: Solve for x
    x = 23,492,808,861,326,100/145,883,721.60
  6. Step 6: Final answer
    x = 161,037,904.73

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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.