Home / 187,268,756.40-280,903,134.60-169,128,903.60

Finding the Fourth Proportional to 187,268,756.40, 280,903,134.60 and 169,128,903.60

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Solution

The fourth proportional to 187,268,756.40, 280,903,134.60 and 169,128,903.60 is: 253,693,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268,756.40 : 280,903,134.60 = 169,128,903.60 : x
  2. Step 2: Convert to fraction form
    187,268,756.40/280,903,134.60 = 169,128,903.60/x
  3. Step 3: Cross multiply
    187,268,756.40x = 280,903,134.60 × 169,128,903.60
  4. Step 4: Simplify right side
    187,268,756.40x = 47,508,839,172,701,224
  5. Step 5: Solve for x
    x = 47,508,839,172,701,224/187,268,756.40
  6. Step 6: Final answer
    x = 253,693,355.40

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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.