Home / 129,346,818.60-194,047,184.70-43,112,015.40

Finding the Fourth Proportional to 129,346,818.60, 194,047,184.70 and 43,112,015.40

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Solution

The fourth proportional to 129,346,818.60, 194,047,184.70 and 43,112,015.40 is: 64,677,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,818.60 : 194,047,184.70 = 43,112,015.40 : x
  2. Step 2: Convert to fraction form
    129,346,818.60/194,047,184.70 = 43,112,015.40/x
  3. Step 3: Cross multiply
    129,346,818.60x = 194,047,184.70 × 43,112,015.40
  4. Step 4: Simplify right side
    129,346,818.60x = 8,365,765,215,113,044
  5. Step 5: Solve for x
    x = 8,365,765,215,113,044/129,346,818.60
  6. Step 6: Final answer
    x = 64,677,007.95

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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.