Home / 199,281,689.70-298,922,534.55-122,355,276.90

Finding the Fourth Proportional to 199,281,689.70, 298,922,534.55 and 122,355,276.90

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Solution

The fourth proportional to 199,281,689.70, 298,922,534.55 and 122,355,276.90 is: 183,532,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281,689.70 : 298,922,534.55 = 122,355,276.90 : x
  2. Step 2: Convert to fraction form
    199,281,689.70/298,922,534.55 = 122,355,276.90/x
  3. Step 3: Cross multiply
    199,281,689.70x = 298,922,534.55 × 122,355,276.90
  4. Step 4: Simplify right side
    199,281,689.70x = 36,574,749,486,515,072
  5. Step 5: Solve for x
    x = 36,574,749,486,515,072/199,281,689.70
  6. Step 6: Final answer
    x = 183,532,915.35

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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.