Home / 90,072,750.46-124,311,907.35-50,382,486.94

Finding the Fourth Proportional to 90,072,750.46, 124,311,907.35 and 50,382,486.94

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Solution

The fourth proportional to 90,072,750.46, 124,311,907.35 and 50,382,486.94 is: 69,534,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072,750.46 : 124,311,907.35 = 50,382,486.94 : x
  2. Step 2: Convert to fraction form
    90,072,750.46/124,311,907.35 = 50,382,486.94/x
  3. Step 3: Cross multiply
    90,072,750.46x = 124,311,907.35 × 50,382,486.94
  4. Step 4: Simplify right side
    90,072,750.46x = 6,263,143,048,547,864
  5. Step 5: Solve for x
    x = 6,263,143,048,547,864/90,072,750.46
  6. Step 6: Final answer
    x = 69,534,271.09

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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.