Home / 129,346,631.60-194,046,904.20-43,111,828.40

Finding the Fourth Proportional to 129,346,631.60, 194,046,904.20 and 43,111,828.40

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Solution

The fourth proportional to 129,346,631.60, 194,046,904.20 and 43,111,828.40 is: 64,676,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,631.60 : 194,046,904.20 = 43,111,828.40 : x
  2. Step 2: Convert to fraction form
    129,346,631.60/194,046,904.20 = 43,111,828.40/x
  3. Step 3: Cross multiply
    129,346,631.60x = 194,046,904.20 × 43,111,828.40
  4. Step 4: Simplify right side
    129,346,631.60x = 8,365,716,835,421,638
  5. Step 5: Solve for x
    x = 8,365,716,835,421,638/129,346,631.60
  6. Step 6: Final answer
    x = 64,676,727.43

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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.