Home / 278,063,861.40-417,284,748.90-155,241,941.40

Finding the Fourth Proportional to 278,063,861.40, 417,284,748.90 and 155,241,941.40

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Solution

The fourth proportional to 278,063,861.40, 417,284,748.90 and 155,241,941.40 is: 232,968,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,063,861.40 : 417,284,748.90 = 155,241,941.40 : x
  2. Step 2: Convert to fraction form
    278,063,861.40/417,284,748.90 = 155,241,941.40/x
  3. Step 3: Cross multiply
    278,063,861.40x = 417,284,748.90 × 155,241,941.40
  4. Step 4: Simplify right side
    278,063,861.40x = 64,780,094,535,847,512
  5. Step 5: Solve for x
    x = 64,780,094,535,847,512/278,063,861.40
  6. Step 6: Final answer
    x = 232,968,405.93

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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.