Home / 199,291,299.10-298,936,948.65-122,364,886.30

Finding the Fourth Proportional to 199,291,299.10, 298,936,948.65 and 122,364,886.30

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Solution

The fourth proportional to 199,291,299.10, 298,936,948.65 and 122,364,886.30 is: 183,547,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,299.10 : 298,936,948.65 = 122,364,886.30 : x
  2. Step 2: Convert to fraction form
    199,291,299.10/298,936,948.65 = 122,364,886.30/x
  3. Step 3: Cross multiply
    199,291,299.10x = 298,936,948.65 × 122,364,886.30
  4. Step 4: Simplify right side
    199,291,299.10x = 36,579,385,732,426,184
  5. Step 5: Solve for x
    x = 36,579,385,732,426,184/199,291,299.10
  6. Step 6: Final answer
    x = 183,547,329.45

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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.