Home / 242,360,534.40-363,540,801.60-78,597,974.40

Finding the Fourth Proportional to 242,360,534.40, 363,540,801.60 and 78,597,974.40

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Solution

The fourth proportional to 242,360,534.40, 363,540,801.60 and 78,597,974.40 is: 117,896,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,360,534.40 : 363,540,801.60 = 78,597,974.40 : x
  2. Step 2: Convert to fraction form
    242,360,534.40/363,540,801.60 = 78,597,974.40/x
  3. Step 3: Cross multiply
    242,360,534.40x = 363,540,801.60 × 78,597,974.40
  4. Step 4: Simplify right side
    242,360,534.40x = 28,573,570,617,512,284
  5. Step 5: Solve for x
    x = 28,573,570,617,512,284/242,360,534.40
  6. Step 6: Final answer
    x = 117,896,961.60

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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.