Home / 209,953,733.20-314,930,599.80-190,806,110.80

Finding the Fourth Proportional to 209,953,733.20, 314,930,599.80 and 190,806,110.80

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Solution

The fourth proportional to 209,953,733.20, 314,930,599.80 and 190,806,110.80 is: 286,209,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,733.20 : 314,930,599.80 = 190,806,110.80 : x
  2. Step 2: Convert to fraction form
    209,953,733.20/314,930,599.80 = 190,806,110.80/x
  3. Step 3: Cross multiply
    209,953,733.20x = 314,930,599.80 × 190,806,110.80
  4. Step 4: Simplify right side
    209,953,733.20x = 60,090,682,919,749,264
  5. Step 5: Solve for x
    x = 60,090,682,919,749,264/209,953,733.20
  6. Step 6: Final answer
    x = 286,209,166.20

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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.