Home / 111,547,951.92-153,939,907.35-61,990,414.38

Finding the Fourth Proportional to 111,547,951.92, 153,939,907.35 and 61,990,414.38

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Solution

The fourth proportional to 111,547,951.92, 153,939,907.35 and 61,990,414.38 is: 85,548,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547,951.92 : 153,939,907.35 = 61,990,414.38 : x
  2. Step 2: Convert to fraction form
    111,547,951.92/153,939,907.35 = 61,990,414.38/x
  3. Step 3: Cross multiply
    111,547,951.92x = 153,939,907.35 × 61,990,414.38
  4. Step 4: Simplify right side
    111,547,951.92x = 9,542,798,646,245,308
  5. Step 5: Solve for x
    x = 9,542,798,646,245,308/111,547,951.92
  6. Step 6: Final answer
    x = 85,548,846.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.