Home / 242,128,821.60-363,193,232.40-208,116,597.60

Finding the Fourth Proportional to 242,128,821.60, 363,193,232.40 and 208,116,597.60

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Solution

The fourth proportional to 242,128,821.60, 363,193,232.40 and 208,116,597.60 is: 312,174,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,128,821.60 : 363,193,232.40 = 208,116,597.60 : x
  2. Step 2: Convert to fraction form
    242,128,821.60/363,193,232.40 = 208,116,597.60/x
  3. Step 3: Cross multiply
    242,128,821.60x = 363,193,232.40 × 208,116,597.60
  4. Step 4: Simplify right side
    242,128,821.60x = 75,586,539,798,434,080
  5. Step 5: Solve for x
    x = 75,586,539,798,434,080/242,128,821.60
  6. Step 6: Final answer
    x = 312,174,896.40

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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.