Home / 91,152,536.86-136,728,602.61-70,433,102.80

Finding the Fourth Proportional to 91,152,536.86, 136,728,602.61 and 70,433,102.80

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Solution

The fourth proportional to 91,152,536.86, 136,728,602.61 and 70,433,102.80 is: 105,649,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152,536.86 : 136,728,602.61 = 70,433,102.80 : x
  2. Step 2: Convert to fraction form
    91,152,536.86/136,728,602.61 = 70,433,102.80/x
  3. Step 3: Cross multiply
    91,152,536.86x = 136,728,602.61 × 70,433,102.80
  4. Step 4: Simplify right side
    91,152,536.86x = 9,630,219,723,330,478
  5. Step 5: Solve for x
    x = 9,630,219,723,330,478/91,152,536.86
  6. Step 6: Final answer
    x = 105,649,497.59

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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.