Home / 124,418,529.60-186,683,781.60-43,697,428.80

Finding the Fourth Proportional to 124,418,529.60, 186,683,781.60 and 43,697,428.80

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Solution

The fourth proportional to 124,418,529.60, 186,683,781.60 and 43,697,428.80 is: 65,565,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,529.60 : 186,683,781.60 = 43,697,428.80 : x
  2. Step 2: Convert to fraction form
    124,418,529.60/186,683,781.60 = 43,697,428.80/x
  3. Step 3: Cross multiply
    124,418,529.60x = 186,683,781.60 × 43,697,428.80
  4. Step 4: Simplify right side
    124,418,529.60x = 8,157,601,254,580,749
  5. Step 5: Solve for x
    x = 8,157,601,254,580,749/124,418,529.60
  6. Step 6: Final answer
    x = 65,565,806.64

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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.