Home / 91,047,796.54-125,638,363.38-51,353,139.58

Finding the Fourth Proportional to 91,047,796.54, 125,638,363.38 and 51,353,139.58

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Solution

The fourth proportional to 91,047,796.54, 125,638,363.38 and 51,353,139.58 is: 70,863,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047,796.54 : 125,638,363.38 = 51,353,139.58 : x
  2. Step 2: Convert to fraction form
    91,047,796.54/125,638,363.38 = 51,353,139.58/x
  3. Step 3: Cross multiply
    91,047,796.54x = 125,638,363.38 × 51,353,139.58
  4. Step 4: Simplify right side
    91,047,796.54x = 6,451,924,411,255,900
  5. Step 5: Solve for x
    x = 6,451,924,411,255,900/91,047,796.54
  6. Step 6: Final answer
    x = 70,863,048.38

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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.