Home / 115,101,003.40-172,651,505.10-89,402,878.60

Finding the Fourth Proportional to 115,101,003.40, 172,651,505.10 and 89,402,878.60

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Solution

The fourth proportional to 115,101,003.40, 172,651,505.10 and 89,402,878.60 is: 134,104,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,101,003.40 : 172,651,505.10 = 89,402,878.60 : x
  2. Step 2: Convert to fraction form
    115,101,003.40/172,651,505.10 = 89,402,878.60/x
  3. Step 3: Cross multiply
    115,101,003.40x = 172,651,505.10 × 89,402,878.60
  4. Step 4: Simplify right side
    115,101,003.40x = 15,435,541,550,562,580
  5. Step 5: Solve for x
    x = 15,435,541,550,562,580/115,101,003.40
  6. Step 6: Final answer
    x = 134,104,317.90

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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.