Home / 124,416,490.40-186,624,735.60-43,637,458.40

Finding the Fourth Proportional to 124,416,490.40, 186,624,735.60 and 43,637,458.40

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Solution

The fourth proportional to 124,416,490.40, 186,624,735.60 and 43,637,458.40 is: 65,456,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,490.40 : 186,624,735.60 = 43,637,458.40 : x
  2. Step 2: Convert to fraction form
    124,416,490.40/186,624,735.60 = 43,637,458.40/x
  3. Step 3: Cross multiply
    124,416,490.40x = 186,624,735.60 × 43,637,458.40
  4. Step 4: Simplify right side
    124,416,490.40x = 8,143,829,136,155,999
  5. Step 5: Solve for x
    x = 8,143,829,136,155,999/124,416,490.40
  6. Step 6: Final answer
    x = 65,456,187.60

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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.