Home / 91,152,538.36-136,728,604.86-70,433,104.30

Finding the Fourth Proportional to 91,152,538.36, 136,728,604.86 and 70,433,104.30

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Solution

The fourth proportional to 91,152,538.36, 136,728,604.86 and 70,433,104.30 is: 105,649,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152,538.36 : 136,728,604.86 = 70,433,104.30 : x
  2. Step 2: Convert to fraction form
    91,152,538.36/136,728,604.86 = 70,433,104.30/x
  3. Step 3: Cross multiply
    91,152,538.36x = 136,728,604.86 × 70,433,104.30
  4. Step 4: Simplify right side
    91,152,538.36x = 9,630,220,086,897,868
  5. Step 5: Solve for x
    x = 9,630,220,086,897,868/91,152,538.36
  6. Step 6: Final answer
    x = 105,649,499.84

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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.