Home / 79,430,766.54-109,623,333.69-48,086,085.98

Finding the Fourth Proportional to 79,430,766.54, 109,623,333.69 and 48,086,085.98

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Solution

The fourth proportional to 79,430,766.54, 109,623,333.69 and 48,086,085.98 is: 66,364,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430,766.54 : 109,623,333.69 = 48,086,085.98 : x
  2. Step 2: Convert to fraction form
    79,430,766.54/109,623,333.69 = 48,086,085.98/x
  3. Step 3: Cross multiply
    79,430,766.54x = 109,623,333.69 × 48,086,085.98
  4. Step 4: Simplify right side
    79,430,766.54x = 5,271,357,048,683,454
  5. Step 5: Solve for x
    x = 5,271,357,048,683,454/79,430,766.54
  6. Step 6: Final answer
    x = 66,364,171.95

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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.