Home / 196,637,359.40-295,074,137.10-81,609,907.40

Finding the Fourth Proportional to 196,637,359.40, 295,074,137.10 and 81,609,907.40

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Solution

The fourth proportional to 196,637,359.40, 295,074,137.10 and 81,609,907.40 is: 122,463,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637,359.40 : 295,074,137.10 = 81,609,907.40 : x
  2. Step 2: Convert to fraction form
    196,637,359.40/295,074,137.10 = 81,609,907.40/x
  3. Step 3: Cross multiply
    196,637,359.40x = 295,074,137.10 × 81,609,907.40
  4. Step 4: Simplify right side
    196,637,359.40x = 24,080,973,004,865,908
  5. Step 5: Solve for x
    x = 24,080,973,004,865,908/196,637,359.40
  6. Step 6: Final answer
    x = 122,463,875.02

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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.