Home / 43,473,904.60-65,218,730.10-21,854,097.40

Finding the Fourth Proportional to 43,473,904.60, 65,218,730.10 and 21,854,097.40

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Solution

The fourth proportional to 43,473,904.60, 65,218,730.10 and 21,854,097.40 is: 32,785,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,473,904.60 : 65,218,730.10 = 21,854,097.40 : x
  2. Step 2: Convert to fraction form
    43,473,904.60/65,218,730.10 = 21,854,097.40/x
  3. Step 3: Cross multiply
    43,473,904.60x = 65,218,730.10 × 21,854,097.40
  4. Step 4: Simplify right side
    43,473,904.60x = 1,425,296,479,909,711.75
  5. Step 5: Solve for x
    x = 1,425,296,479,909,711.75/43,473,904.60
  6. Step 6: Final answer
    x = 32,785,103.92

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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.