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Finding the Fourth Proportional to 223,954,073.40, 335,880,695.70 and 80,346,905.40

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Solution

The fourth proportional to 223,954,073.40, 335,880,695.70 and 80,346,905.40 is: 120,502,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,954,073.40 : 335,880,695.70 = 80,346,905.40 : x
  2. Step 2: Convert to fraction form
    223,954,073.40/335,880,695.70 = 80,346,905.40/x
  3. Step 3: Cross multiply
    223,954,073.40x = 335,880,695.70 × 80,346,905.40
  4. Step 4: Simplify right side
    223,954,073.40x = 26,986,974,483,094,088
  5. Step 5: Solve for x
    x = 26,986,974,483,094,088/223,954,073.40
  6. Step 6: Final answer
    x = 120,502,271.17

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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.