Home / 124,416,158.40-186,624,237.60-123,660,331.20

Finding the Fourth Proportional to 124,416,158.40, 186,624,237.60 and 123,660,331.20

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Solution

The fourth proportional to 124,416,158.40, 186,624,237.60 and 123,660,331.20 is: 185,490,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,158.40 : 186,624,237.60 = 123,660,331.20 : x
  2. Step 2: Convert to fraction form
    124,416,158.40/186,624,237.60 = 123,660,331.20/x
  3. Step 3: Cross multiply
    124,416,158.40x = 186,624,237.60 × 123,660,331.20
  4. Step 4: Simplify right side
    124,416,158.40x = 23,078,015,031,563,492
  5. Step 5: Solve for x
    x = 23,078,015,031,563,492/124,416,158.40
  6. Step 6: Final answer
    x = 185,490,496.80

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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.