Home / 98,687,771.45-148,045,653.98-30,523,355.45

Finding the Fourth Proportional to 98,687,771.45, 148,045,653.98 and 30,523,355.45

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Solution

The fourth proportional to 98,687,771.45, 148,045,653.98 and 30,523,355.45 is: 45,789,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687,771.45 : 148,045,653.98 = 30,523,355.45 : x
  2. Step 2: Convert to fraction form
    98,687,771.45/148,045,653.98 = 30,523,355.45/x
  3. Step 3: Cross multiply
    98,687,771.45x = 148,045,653.98 × 30,523,355.45
  4. Step 4: Simplify right side
    98,687,771.45x = 4,518,850,119,259,247
  5. Step 5: Solve for x
    x = 4,518,850,119,259,247/98,687,771.45
  6. Step 6: Final answer
    x = 45,789,362.28

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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.