Home / 445,803,316.77-668,627,244.30-118,311,940.29

Finding the Fourth Proportional to 445,803,316.77, 668,627,244.30 and 118,311,940.29

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Solution

The fourth proportional to 445,803,316.77, 668,627,244.30 and 118,311,940.29 is: 177,447,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,803,316.77 : 668,627,244.30 = 118,311,940.29 : x
  2. Step 2: Convert to fraction form
    445,803,316.77/668,627,244.30 = 118,311,940.29/x
  3. Step 3: Cross multiply
    445,803,316.77x = 668,627,244.30 × 118,311,940.29
  4. Step 4: Simplify right side
    445,803,316.77x = 79,106,586,603,888,848
  5. Step 5: Solve for x
    x = 79,106,586,603,888,848/445,803,316.77
  6. Step 6: Final answer
    x = 177,447,281.41

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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.