Home / 221,932,307.04-306,267,087.60-122,820,266.40

Finding the Fourth Proportional to 221,932,307.04, 306,267,087.60 and 122,820,266.40

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Solution

The fourth proportional to 221,932,307.04, 306,267,087.60 and 122,820,266.40 is: 169,492,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932,307.04 : 306,267,087.60 = 122,820,266.40 : x
  2. Step 2: Convert to fraction form
    221,932,307.04/306,267,087.60 = 122,820,266.40/x
  3. Step 3: Cross multiply
    221,932,307.04x = 306,267,087.60 × 122,820,266.40
  4. Step 4: Simplify right side
    221,932,307.04x = 37,615,805,288,584,144
  5. Step 5: Solve for x
    x = 37,615,805,288,584,144/221,932,307.04
  6. Step 6: Final answer
    x = 169,492,246.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.