Home / 144,856,362.48-199,866,789-91,913,766.80

Finding the Fourth Proportional to 144,856,362.48, 199,866,789 and 91,913,766.80

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Solution

The fourth proportional to 144,856,362.48, 199,866,789 and 91,913,766.80 is: 126,818,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856,362.48 : 199,866,789 = 91,913,766.80 : x
  2. Step 2: Convert to fraction form
    144,856,362.48/199,866,789 = 91,913,766.80/x
  3. Step 3: Cross multiply
    144,856,362.48x = 199,866,789 × 91,913,766.80
  4. Step 4: Simplify right side
    144,856,362.48x = 18,370,509,435,210,804
  5. Step 5: Solve for x
    x = 18,370,509,435,210,804/144,856,362.48
  6. Step 6: Final answer
    x = 126,818,795.67

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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.