Home / 82,990,020.60-124,401,050.10-48,893,815.80

Finding the Fourth Proportional to 82,990,020.60, 124,401,050.10 and 48,893,815.80

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Solution

The fourth proportional to 82,990,020.60, 124,401,050.10 and 48,893,815.80 is: 73,291,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,990,020.60 : 124,401,050.10 = 48,893,815.80 : x
  2. Step 2: Convert to fraction form
    82,990,020.60/124,401,050.10 = 48,893,815.80/x
  3. Step 3: Cross multiply
    82,990,020.60x = 124,401,050.10 × 48,893,815.80
  4. Step 4: Simplify right side
    82,990,020.60x = 6,082,442,028,915,971
  5. Step 5: Solve for x
    x = 6,082,442,028,915,971/82,990,020.60
  6. Step 6: Final answer
    x = 73,291,246.16

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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.