Home / 190,697,363.70-286,048,670.01-54,382,761.78

Finding the Fourth Proportional to 190,697,363.70, 286,048,670.01 and 54,382,761.78

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Solution

The fourth proportional to 190,697,363.70, 286,048,670.01 and 54,382,761.78 is: 81,574,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,697,363.70 : 286,048,670.01 = 54,382,761.78 : x
  2. Step 2: Convert to fraction form
    190,697,363.70/286,048,670.01 = 54,382,761.78/x
  3. Step 3: Cross multiply
    190,697,363.70x = 286,048,670.01 × 54,382,761.78
  4. Step 4: Simplify right side
    190,697,363.70x = 15,556,116,678,639,660
  5. Step 5: Solve for x
    x = 15,556,116,678,639,660/190,697,363.70
  6. Step 6: Final answer
    x = 81,574,891.11

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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.