Home / 136,325,433.28-188,145,241.44-76,788,688.96

Finding the Fourth Proportional to 136,325,433.28, 188,145,241.44 and 76,788,688.96

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Solution

The fourth proportional to 136,325,433.28, 188,145,241.44 and 76,788,688.96 is: 105,977,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,325,433.28 : 188,145,241.44 = 76,788,688.96 : x
  2. Step 2: Convert to fraction form
    136,325,433.28/188,145,241.44 = 76,788,688.96/x
  3. Step 3: Cross multiply
    136,325,433.28x = 188,145,241.44 × 76,788,688.96
  4. Step 4: Simplify right side
    136,325,433.28x = 14,447,426,424,240,262
  5. Step 5: Solve for x
    x = 14,447,426,424,240,262/136,325,433.28
  6. Step 6: Final answer
    x = 105,977,484.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.