Home / 94,779,271.60-142,168,907.40-80,430,364.60

Finding the Fourth Proportional to 94,779,271.60, 142,168,907.40 and 80,430,364.60

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Solution

The fourth proportional to 94,779,271.60, 142,168,907.40 and 80,430,364.60 is: 120,645,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,779,271.60 : 142,168,907.40 = 80,430,364.60 : x
  2. Step 2: Convert to fraction form
    94,779,271.60/142,168,907.40 = 80,430,364.60/x
  3. Step 3: Cross multiply
    94,779,271.60x = 142,168,907.40 × 80,430,364.60
  4. Step 4: Simplify right side
    94,779,271.60x = 11,434,697,056,965,638
  5. Step 5: Solve for x
    x = 11,434,697,056,965,638/94,779,271.60
  6. Step 6: Final answer
    x = 120,645,546.90

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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.