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Finding the Fourth Proportional to 56,964,016.40, 85,448,357.40 and 16,574,500.40

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Solution

The fourth proportional to 56,964,016.40, 85,448,357.40 and 16,574,500.40 is: 24,862,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,964,016.40 : 85,448,357.40 = 16,574,500.40 : x
  2. Step 2: Convert to fraction form
    56,964,016.40/85,448,357.40 = 16,574,500.40/x
  3. Step 3: Cross multiply
    56,964,016.40x = 85,448,357.40 × 16,574,500.40
  4. Step 4: Simplify right side
    56,964,016.40x = 1,416,263,833,905,643
  5. Step 5: Solve for x
    x = 1,416,263,833,905,643/56,964,016.40
  6. Step 6: Final answer
    x = 24,862,429.36

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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.