Home / 199,564,009.60-299,597,956.80-107,521,052.80

Finding the Fourth Proportional to 199,564,009.60, 299,597,956.80 and 107,521,052.80

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Solution

The fourth proportional to 199,564,009.60, 299,597,956.80 and 107,521,052.80 is: 161,417,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,564,009.60 : 299,597,956.80 = 107,521,052.80 : x
  2. Step 2: Convert to fraction form
    199,564,009.60/299,597,956.80 = 107,521,052.80/x
  3. Step 3: Cross multiply
    199,564,009.60x = 299,597,956.80 × 107,521,052.80
  4. Step 4: Simplify right side
    199,564,009.60x = 32,213,087,731,864,920
  5. Step 5: Solve for x
    x = 32,213,087,731,864,920/199,564,009.60
  6. Step 6: Final answer
    x = 161,417,320.67

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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.