Home / 124,416,051.20-186,624,076.80-43,626,521.60

Finding the Fourth Proportional to 124,416,051.20, 186,624,076.80 and 43,626,521.60

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Solution

The fourth proportional to 124,416,051.20, 186,624,076.80 and 43,626,521.60 is: 65,439,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,051.20 : 186,624,076.80 = 43,626,521.60 : x
  2. Step 2: Convert to fraction form
    124,416,051.20/186,624,076.80 = 43,626,521.60/x
  3. Step 3: Cross multiply
    124,416,051.20x = 186,624,076.80 × 43,626,521.60
  4. Step 4: Simplify right side
    124,416,051.20x = 8,141,759,317,595,260
  5. Step 5: Solve for x
    x = 8,141,759,317,595,260/124,416,051.20
  6. Step 6: Final answer
    x = 65,439,782.40

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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.