Home / 136,019,258.40-204,055,459.65-54,124,200.30

Finding the Fourth Proportional to 136,019,258.40, 204,055,459.65 and 54,124,200.30

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Solution

The fourth proportional to 136,019,258.40, 204,055,459.65 and 54,124,200.30 is: 81,196,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019,258.40 : 204,055,459.65 = 54,124,200.30 : x
  2. Step 2: Convert to fraction form
    136,019,258.40/204,055,459.65 = 54,124,200.30/x
  3. Step 3: Cross multiply
    136,019,258.40x = 204,055,459.65 × 54,124,200.30
  4. Step 4: Simplify right side
    136,019,258.40x = 11,044,338,570,405,168
  5. Step 5: Solve for x
    x = 11,044,338,570,405,168/136,019,258.40
  6. Step 6: Final answer
    x = 81,196,873.89

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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.