Home / 99,359,847.60-149,039,771.40-31,209,428.40

Finding the Fourth Proportional to 99,359,847.60, 149,039,771.40 and 31,209,428.40

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Solution

The fourth proportional to 99,359,847.60, 149,039,771.40 and 31,209,428.40 is: 46,814,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359,847.60 : 149,039,771.40 = 31,209,428.40 : x
  2. Step 2: Convert to fraction form
    99,359,847.60/149,039,771.40 = 31,209,428.40/x
  3. Step 3: Cross multiply
    99,359,847.60x = 149,039,771.40 × 31,209,428.40
  4. Step 4: Simplify right side
    99,359,847.60x = 4,651,446,074,260,668
  5. Step 5: Solve for x
    x = 4,651,446,074,260,668/99,359,847.60
  6. Step 6: Final answer
    x = 46,814,142.60

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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.