Home / 153,388,940.60-230,083,410.90-136,667,430.20

Finding the Fourth Proportional to 153,388,940.60, 230,083,410.90 and 136,667,430.20

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Solution

The fourth proportional to 153,388,940.60, 230,083,410.90 and 136,667,430.20 is: 205,001,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,388,940.60 : 230,083,410.90 = 136,667,430.20 : x
  2. Step 2: Convert to fraction form
    153,388,940.60/230,083,410.90 = 136,667,430.20/x
  3. Step 3: Cross multiply
    153,388,940.60x = 230,083,410.90 × 136,667,430.20
  4. Step 4: Simplify right side
    153,388,940.60x = 31,444,908,499,353,668
  5. Step 5: Solve for x
    x = 31,444,908,499,353,668/153,388,940.60
  6. Step 6: Final answer
    x = 205,001,145.30

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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.