Home / 278,121,813.44-383,878,654.08-190,051,459.52

Finding the Fourth Proportional to 278,121,813.44, 383,878,654.08 and 190,051,459.52

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Solution

The fourth proportional to 278,121,813.44, 383,878,654.08 and 190,051,459.52 is: 262,319,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,121,813.44 : 383,878,654.08 = 190,051,459.52 : x
  2. Step 2: Convert to fraction form
    278,121,813.44/383,878,654.08 = 190,051,459.52/x
  3. Step 3: Cross multiply
    278,121,813.44x = 383,878,654.08 × 190,051,459.52
  4. Step 4: Simplify right side
    278,121,813.44x = 72,956,698,486,477,200
  5. Step 5: Solve for x
    x = 72,956,698,486,477,200/278,121,813.44
  6. Step 6: Final answer
    x = 262,319,224.75

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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.