Home / 306,560,688.75-459,836,702.71-142,706,799.63

Finding the Fourth Proportional to 306,560,688.75, 459,836,702.71 and 142,706,799.63

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Solution

The fourth proportional to 306,560,688.75, 459,836,702.71 and 142,706,799.63 is: 214,058,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,560,688.75 : 459,836,702.71 = 142,706,799.63 : x
  2. Step 2: Convert to fraction form
    306,560,688.75/459,836,702.71 = 142,706,799.63/x
  3. Step 3: Cross multiply
    306,560,688.75x = 459,836,702.71 × 142,706,799.63
  4. Step 4: Simplify right side
    306,560,688.75x = 65,621,824,196,155,840
  5. Step 5: Solve for x
    x = 65,621,824,196,155,840/306,560,688.75
  6. Step 6: Final answer
    x = 214,058,183.60

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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.