Home / 242,254,856.40-363,382,284.60-223,548,133.20

Finding the Fourth Proportional to 242,254,856.40, 363,382,284.60 and 223,548,133.20

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Solution

The fourth proportional to 242,254,856.40, 363,382,284.60 and 223,548,133.20 is: 335,322,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,254,856.40 : 363,382,284.60 = 223,548,133.20 : x
  2. Step 2: Convert to fraction form
    242,254,856.40/363,382,284.60 = 223,548,133.20/x
  3. Step 3: Cross multiply
    242,254,856.40x = 363,382,284.60 × 223,548,133.20
  4. Step 4: Simplify right side
    242,254,856.40x = 81,233,431,360,281,104
  5. Step 5: Solve for x
    x = 81,233,431,360,281,104/242,254,856.40
  6. Step 6: Final answer
    x = 335,322,199.80

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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.