Home / 209,953,750.80-314,930,626.20-64,409,775.60

Finding the Fourth Proportional to 209,953,750.80, 314,930,626.20 and 64,409,775.60

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Solution

The fourth proportional to 209,953,750.80, 314,930,626.20 and 64,409,775.60 is: 96,614,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,750.80 : 314,930,626.20 = 64,409,775.60 : x
  2. Step 2: Convert to fraction form
    209,953,750.80/314,930,626.20 = 64,409,775.60/x
  3. Step 3: Cross multiply
    209,953,750.80x = 314,930,626.20 × 64,409,775.60
  4. Step 4: Simplify right side
    209,953,750.80x = 20,284,610,963,109,480
  5. Step 5: Solve for x
    x = 20,284,610,963,109,480/209,953,750.80
  6. Step 6: Final answer
    x = 96,614,663.40

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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.