Home / 79,186,622.60-118,779,933.90-69,612,811.40

Finding the Fourth Proportional to 79,186,622.60, 118,779,933.90 and 69,612,811.40

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Solution

The fourth proportional to 79,186,622.60, 118,779,933.90 and 69,612,811.40 is: 104,419,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186,622.60 : 118,779,933.90 = 69,612,811.40 : x
  2. Step 2: Convert to fraction form
    79,186,622.60/118,779,933.90 = 69,612,811.40/x
  3. Step 3: Cross multiply
    79,186,622.60x = 118,779,933.90 × 69,612,811.40
  4. Step 4: Simplify right side
    79,186,622.60x = 8,268,605,136,685,168
  5. Step 5: Solve for x
    x = 8,268,605,136,685,168/79,186,622.60
  6. Step 6: Final answer
    x = 104,419,217.10

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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.