Home / 309,303,901.44-426,854,706.71-191,867,069.81

Finding the Fourth Proportional to 309,303,901.44, 426,854,706.71 and 191,867,069.81

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Solution

The fourth proportional to 309,303,901.44, 426,854,706.71 and 191,867,069.81 is: 264,786,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,303,901.44 : 426,854,706.71 = 191,867,069.81 : x
  2. Step 2: Convert to fraction form
    309,303,901.44/426,854,706.71 = 191,867,069.81/x
  3. Step 3: Cross multiply
    309,303,901.44x = 426,854,706.71 × 191,867,069.81
  4. Step 4: Simplify right side
    309,303,901.44x = 81,899,361,812,240,736
  5. Step 5: Solve for x
    x = 81,899,361,812,240,736/309,303,901.44
  6. Step 6: Final answer
    x = 264,786,061.32

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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.