Home / 115,912,147.60-173,868,221.40-52,211,155.60

Finding the Fourth Proportional to 115,912,147.60, 173,868,221.40 and 52,211,155.60

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Solution

The fourth proportional to 115,912,147.60, 173,868,221.40 and 52,211,155.60 is: 78,316,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,147.60 : 173,868,221.40 = 52,211,155.60 : x
  2. Step 2: Convert to fraction form
    115,912,147.60/173,868,221.40 = 52,211,155.60/x
  3. Step 3: Cross multiply
    115,912,147.60x = 173,868,221.40 × 52,211,155.60
  4. Step 4: Simplify right side
    115,912,147.60x = 9,077,860,761,410,650
  5. Step 5: Solve for x
    x = 9,077,860,761,410,650/115,912,147.60
  6. Step 6: Final answer
    x = 78,316,733.40

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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.