Home / 196,637,319.40-295,074,077.10-81,609,867.40

Finding the Fourth Proportional to 196,637,319.40, 295,074,077.10 and 81,609,867.40

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Solution

The fourth proportional to 196,637,319.40, 295,074,077.10 and 81,609,867.40 is: 122,463,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637,319.40 : 295,074,077.10 = 81,609,867.40 : x
  2. Step 2: Convert to fraction form
    196,637,319.40/295,074,077.10 = 81,609,867.40/x
  3. Step 3: Cross multiply
    196,637,319.40x = 295,074,077.10 × 81,609,867.40
  4. Step 4: Simplify right side
    196,637,319.40x = 24,080,956,305,308,380
  5. Step 5: Solve for x
    x = 24,080,956,305,308,380/196,637,319.40
  6. Step 6: Final answer
    x = 122,463,815.00

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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.