Home / 193,118,214.70-289,728,643.65-83,896,518.70

Finding the Fourth Proportional to 193,118,214.70, 289,728,643.65 and 83,896,518.70

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Solution

The fourth proportional to 193,118,214.70, 289,728,643.65 and 83,896,518.70 is: 125,867,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,118,214.70 : 289,728,643.65 = 83,896,518.70 : x
  2. Step 2: Convert to fraction form
    193,118,214.70/289,728,643.65 = 83,896,518.70/x
  3. Step 3: Cross multiply
    193,118,214.70x = 289,728,643.65 × 83,896,518.70
  4. Step 4: Simplify right side
    193,118,214.70x = 24,307,224,569,907,860
  5. Step 5: Solve for x
    x = 24,307,224,569,907,860/193,118,214.70
  6. Step 6: Final answer
    x = 125,867,073.74

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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.