Home / 136,651,681.60-204,728,690.40-64,689,467.20

Finding the Fourth Proportional to 136,651,681.60, 204,728,690.40 and 64,689,467.20

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Solution

The fourth proportional to 136,651,681.60, 204,728,690.40 and 64,689,467.20 is: 96,916,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,651,681.60 : 204,728,690.40 = 64,689,467.20 : x
  2. Step 2: Convert to fraction form
    136,651,681.60/204,728,690.40 = 64,689,467.20/x
  3. Step 3: Cross multiply
    136,651,681.60x = 204,728,690.40 × 64,689,467.20
  4. Step 4: Simplify right side
    136,651,681.60x = 13,243,789,902,529,756
  5. Step 5: Solve for x
    x = 13,243,789,902,529,756/136,651,681.60
  6. Step 6: Final answer
    x = 96,916,406.35

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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.