Home / 99,296,938.60-148,945,407.90-48,278,602.60

Finding the Fourth Proportional to 99,296,938.60, 148,945,407.90 and 48,278,602.60

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Solution

The fourth proportional to 99,296,938.60, 148,945,407.90 and 48,278,602.60 is: 72,417,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,296,938.60 : 148,945,407.90 = 48,278,602.60 : x
  2. Step 2: Convert to fraction form
    99,296,938.60/148,945,407.90 = 48,278,602.60/x
  3. Step 3: Cross multiply
    99,296,938.60x = 148,945,407.90 × 48,278,602.60
  4. Step 4: Simplify right side
    99,296,938.60x = 7,190,876,157,099,001
  5. Step 5: Solve for x
    x = 7,190,876,157,099,001/99,296,938.60
  6. Step 6: Final answer
    x = 72,417,903.90

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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.