Home / 78,880,363.20-118,320,544.80-44,868,139.20

Finding the Fourth Proportional to 78,880,363.20, 118,320,544.80 and 44,868,139.20

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Solution

The fourth proportional to 78,880,363.20, 118,320,544.80 and 44,868,139.20 is: 67,302,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,880,363.20 : 118,320,544.80 = 44,868,139.20 : x
  2. Step 2: Convert to fraction form
    78,880,363.20/118,320,544.80 = 44,868,139.20/x
  3. Step 3: Cross multiply
    78,880,363.20x = 118,320,544.80 × 44,868,139.20
  4. Step 4: Simplify right side
    78,880,363.20x = 5,308,822,674,306,236
  5. Step 5: Solve for x
    x = 5,308,822,674,306,236/78,880,363.20
  6. Step 6: Final answer
    x = 67,302,208.80

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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.