Home / 199,291,290.60-298,936,935.90-122,364,877.80

Finding the Fourth Proportional to 199,291,290.60, 298,936,935.90 and 122,364,877.80

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Solution

The fourth proportional to 199,291,290.60, 298,936,935.90 and 122,364,877.80 is: 183,547,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,290.60 : 298,936,935.90 = 122,364,877.80 : x
  2. Step 2: Convert to fraction form
    199,291,290.60/298,936,935.90 = 122,364,877.80/x
  3. Step 3: Cross multiply
    199,291,290.60x = 298,936,935.90 × 122,364,877.80
  4. Step 4: Simplify right side
    199,291,290.60x = 36,579,381,631,309,928
  5. Step 5: Solve for x
    x = 36,579,381,631,309,928/199,291,290.60
  6. Step 6: Final answer
    x = 183,547,316.70

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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.