Home / 196,668,848.60-295,181,732.10-99,692,019.80

Finding the Fourth Proportional to 196,668,848.60, 295,181,732.10 and 99,692,019.80

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Solution

The fourth proportional to 196,668,848.60, 295,181,732.10 and 99,692,019.80 is: 149,628,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668,848.60 : 295,181,732.10 = 99,692,019.80 : x
  2. Step 2: Convert to fraction form
    196,668,848.60/295,181,732.10 = 99,692,019.80/x
  3. Step 3: Cross multiply
    196,668,848.60x = 295,181,732.10 × 99,692,019.80
  4. Step 4: Simplify right side
    196,668,848.60x = 29,427,263,081,111,496
  5. Step 5: Solve for x
    x = 29,427,263,081,111,496/196,668,848.60
  6. Step 6: Final answer
    x = 149,628,491.20

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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.