Home / 124,012,809.20-185,578,314.60-108,014,466.80

Finding the Fourth Proportional to 124,012,809.20, 185,578,314.60 and 108,014,466.80

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Solution

The fourth proportional to 124,012,809.20, 185,578,314.60 and 108,014,466.80 is: 161,637,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,012,809.20 : 185,578,314.60 = 108,014,466.80 : x
  2. Step 2: Convert to fraction form
    124,012,809.20/185,578,314.60 = 108,014,466.80/x
  3. Step 3: Cross multiply
    124,012,809.20x = 185,578,314.60 × 108,014,466.80
  4. Step 4: Simplify right side
    124,012,809.20x = 20,045,142,701,161,656
  5. Step 5: Solve for x
    x = 20,045,142,701,161,656/124,012,809.20
  6. Step 6: Final answer
    x = 161,637,679.45

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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.