Home / 214,546,278.40-321,819,417.60-193,047,193.60

Finding the Fourth Proportional to 214,546,278.40, 321,819,417.60 and 193,047,193.60

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Solution

The fourth proportional to 214,546,278.40, 321,819,417.60 and 193,047,193.60 is: 289,570,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,546,278.40 : 321,819,417.60 = 193,047,193.60 : x
  2. Step 2: Convert to fraction form
    214,546,278.40/321,819,417.60 = 193,047,193.60/x
  3. Step 3: Cross multiply
    214,546,278.40x = 321,819,417.60 × 193,047,193.60
  4. Step 4: Simplify right side
    214,546,278.40x = 62,126,335,413,666,448
  5. Step 5: Solve for x
    x = 62,126,335,413,666,448/214,546,278.40
  6. Step 6: Final answer
    x = 289,570,790.40

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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.