Home / 78,880,340.70-118,320,511.05-44,868,116.70

Finding the Fourth Proportional to 78,880,340.70, 118,320,511.05 and 44,868,116.70

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Solution

The fourth proportional to 78,880,340.70, 118,320,511.05 and 44,868,116.70 is: 67,302,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,880,340.70 : 118,320,511.05 = 44,868,116.70 : x
  2. Step 2: Convert to fraction form
    78,880,340.70/118,320,511.05 = 44,868,116.70/x
  3. Step 3: Cross multiply
    78,880,340.70x = 118,320,511.05 × 44,868,116.70
  4. Step 4: Simplify right side
    78,880,340.70x = 5,308,818,497,795,040
  5. Step 5: Solve for x
    x = 5,308,818,497,795,040/78,880,340.70
  6. Step 6: Final answer
    x = 67,302,175.05

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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.