Home / 43,138,052.07-64,708,406.70-18,864,484.40

Finding the Fourth Proportional to 43,138,052.07, 64,708,406.70 and 18,864,484.40

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Solution

The fourth proportional to 43,138,052.07, 64,708,406.70 and 18,864,484.40 is: 28,297,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,052.07 : 64,708,406.70 = 18,864,484.40 : x
  2. Step 2: Convert to fraction form
    43,138,052.07/64,708,406.70 = 18,864,484.40/x
  3. Step 3: Cross multiply
    43,138,052.07x = 64,708,406.70 × 18,864,484.40
  4. Step 4: Simplify right side
    43,138,052.07x = 1,220,690,728,741,005.50
  5. Step 5: Solve for x
    x = 1,220,690,728,741,005.50/43,138,052.07
  6. Step 6: Final answer
    x = 28,297,307.60

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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.