Home / 136,548,499.60-204,822,749.40-78,196,277.80

Finding the Fourth Proportional to 136,548,499.60, 204,822,749.40 and 78,196,277.80

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Solution

The fourth proportional to 136,548,499.60, 204,822,749.40 and 78,196,277.80 is: 117,294,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,548,499.60 : 204,822,749.40 = 78,196,277.80 : x
  2. Step 2: Convert to fraction form
    136,548,499.60/204,822,749.40 = 78,196,277.80/x
  3. Step 3: Cross multiply
    136,548,499.60x = 204,822,749.40 × 78,196,277.80
  4. Step 4: Simplify right side
    136,548,499.60x = 16,016,376,611,842,184
  5. Step 5: Solve for x
    x = 16,016,376,611,842,184/136,548,499.60
  6. Step 6: Final answer
    x = 117,294,416.70

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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.