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Finding the Fourth Proportional to 124,416,276.60, 173,779,679.40 and 124,416,276.60

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Solution

The fourth proportional to 124,416,276.60, 173,779,679.40 and 124,416,276.60 is: 173,779,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,276.60 : 173,779,679.40 = 124,416,276.60 : x
  2. Step 2: Convert to fraction form
    124,416,276.60/173,779,679.40 = 124,416,276.60/x
  3. Step 3: Cross multiply
    124,416,276.60x = 173,779,679.40 × 124,416,276.60
  4. Step 4: Simplify right side
    124,416,276.60x = 21,621,020,659,689,720
  5. Step 5: Solve for x
    x = 21,621,020,659,689,720/124,416,276.60
  6. Step 6: Final answer
    x = 173,779,679.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.