Home / 124,415,999.60-186,623,999.40-86,066,841.20

Finding the Fourth Proportional to 124,415,999.60, 186,623,999.40 and 86,066,841.20

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Solution

The fourth proportional to 124,415,999.60, 186,623,999.40 and 86,066,841.20 is: 129,100,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415,999.60 : 186,623,999.40 = 86,066,841.20 : x
  2. Step 2: Convert to fraction form
    124,415,999.60/186,623,999.40 = 86,066,841.20/x
  3. Step 3: Cross multiply
    124,415,999.60x = 186,623,999.40 × 86,066,841.20
  4. Step 4: Simplify right side
    124,415,999.60x = 16,062,138,120,468,696
  5. Step 5: Solve for x
    x = 16,062,138,120,468,696/124,415,999.60
  6. Step 6: Final answer
    x = 129,100,261.80

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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.