Home / 209,952,709.80-314,929,064.70-64,408,734.60

Finding the Fourth Proportional to 209,952,709.80, 314,929,064.70 and 64,408,734.60

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Solution

The fourth proportional to 209,952,709.80, 314,929,064.70 and 64,408,734.60 is: 96,613,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,709.80 : 314,929,064.70 = 64,408,734.60 : x
  2. Step 2: Convert to fraction form
    209,952,709.80/314,929,064.70 = 64,408,734.60/x
  3. Step 3: Cross multiply
    209,952,709.80x = 314,929,064.70 × 64,408,734.60
  4. Step 4: Simplify right side
    209,952,709.80x = 20,284,182,546,088,528
  5. Step 5: Solve for x
    x = 20,284,182,546,088,528/209,952,709.80
  6. Step 6: Final answer
    x = 96,613,101.90

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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.