Home / 209,953,925.20-314,930,887.80-202,301,174.80

Finding the Fourth Proportional to 209,953,925.20, 314,930,887.80 and 202,301,174.80

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Solution

The fourth proportional to 209,953,925.20, 314,930,887.80 and 202,301,174.80 is: 303,451,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,925.20 : 314,930,887.80 = 202,301,174.80 : x
  2. Step 2: Convert to fraction form
    209,953,925.20/314,930,887.80 = 202,301,174.80/x
  3. Step 3: Cross multiply
    209,953,925.20x = 314,930,887.80 × 202,301,174.80
  4. Step 4: Simplify right side
    209,953,925.20x = 63,710,888,582,746,992
  5. Step 5: Solve for x
    x = 63,710,888,582,746,992/209,953,925.20
  6. Step 6: Final answer
    x = 303,451,762.20

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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.