Home / 209,490,504.80-314,216,368.68-98,800,794.32

Finding the Fourth Proportional to 209,490,504.80, 314,216,368.68 and 98,800,794.32

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Solution

The fourth proportional to 209,490,504.80, 314,216,368.68 and 98,800,794.32 is: 148,192,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,490,504.80 : 314,216,368.68 = 98,800,794.32 : x
  2. Step 2: Convert to fraction form
    209,490,504.80/314,216,368.68 = 98,800,794.32/x
  3. Step 3: Cross multiply
    209,490,504.80x = 314,216,368.68 × 98,800,794.32
  4. Step 4: Simplify right side
    209,490,504.80x = 31,044,826,813,929,968
  5. Step 5: Solve for x
    x = 31,044,826,813,929,968/209,490,504.80
  6. Step 6: Final answer
    x = 148,192,047.38

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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.