Home / 79,261,247.80-118,779,897.30-58,629,964.60

Finding the Fourth Proportional to 79,261,247.80, 118,779,897.30 and 58,629,964.60

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Solution

The fourth proportional to 79,261,247.80, 118,779,897.30 and 58,629,964.60 is: 87,862,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,247.80 : 118,779,897.30 = 58,629,964.60 : x
  2. Step 2: Convert to fraction form
    79,261,247.80/118,779,897.30 = 58,629,964.60/x
  3. Step 3: Cross multiply
    79,261,247.80x = 118,779,897.30 × 58,629,964.60
  4. Step 4: Simplify right side
    79,261,247.80x = 6,964,061,173,890,636
  5. Step 5: Solve for x
    x = 6,964,061,173,890,636/79,261,247.80
  6. Step 6: Final answer
    x = 87,862,118.84

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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.