Home / 190,674,003.70-286,048,330.35-81,498,963.70

Finding the Fourth Proportional to 190,674,003.70, 286,048,330.35 and 81,498,963.70

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Solution

The fourth proportional to 190,674,003.70, 286,048,330.35 and 81,498,963.70 is: 122,264,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,674,003.70 : 286,048,330.35 = 81,498,963.70 : x
  2. Step 2: Convert to fraction form
    190,674,003.70/286,048,330.35 = 81,498,963.70/x
  3. Step 3: Cross multiply
    190,674,003.70x = 286,048,330.35 × 81,498,963.70
  4. Step 4: Simplify right side
    190,674,003.70x = 23,312,642,491,640,260
  5. Step 5: Solve for x
    x = 23,312,642,491,640,260/190,674,003.70
  6. Step 6: Final answer
    x = 122,264,399.13

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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.