Home / 209,640,758.60-314,461,137.90-64,074,038.60

Finding the Fourth Proportional to 209,640,758.60, 314,461,137.90 and 64,074,038.60

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Solution

The fourth proportional to 209,640,758.60, 314,461,137.90 and 64,074,038.60 is: 96,111,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,758.60 : 314,461,137.90 = 64,074,038.60 : x
  2. Step 2: Convert to fraction form
    209,640,758.60/314,461,137.90 = 64,074,038.60/x
  3. Step 3: Cross multiply
    209,640,758.60x = 314,461,137.90 × 64,074,038.60
  4. Step 4: Simplify right side
    209,640,758.60x = 20,148,795,088,004,520
  5. Step 5: Solve for x
    x = 20,148,795,088,004,520/209,640,758.60
  6. Step 6: Final answer
    x = 96,111,057.90

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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.