Home / 199,290,617.20-298,935,925.80-122,364,204.40

Finding the Fourth Proportional to 199,290,617.20, 298,935,925.80 and 122,364,204.40

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Solution

The fourth proportional to 199,290,617.20, 298,935,925.80 and 122,364,204.40 is: 183,546,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,617.20 : 298,935,925.80 = 122,364,204.40 : x
  2. Step 2: Convert to fraction form
    199,290,617.20/298,935,925.80 = 122,364,204.40/x
  3. Step 3: Cross multiply
    199,290,617.20x = 298,935,925.80 × 122,364,204.40
  4. Step 4: Simplify right side
    199,290,617.20x = 36,579,056,727,094,440
  5. Step 5: Solve for x
    x = 36,579,056,727,094,440/199,290,617.20
  6. Step 6: Final answer
    x = 183,546,306.60

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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.