Home / 210,384,003.60-315,576,005.40-159,365,667.60

Finding the Fourth Proportional to 210,384,003.60, 315,576,005.40 and 159,365,667.60

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Solution

The fourth proportional to 210,384,003.60, 315,576,005.40 and 159,365,667.60 is: 239,048,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384,003.60 : 315,576,005.40 = 159,365,667.60 : x
  2. Step 2: Convert to fraction form
    210,384,003.60/315,576,005.40 = 159,365,667.60/x
  3. Step 3: Cross multiply
    210,384,003.60x = 315,576,005.40 × 159,365,667.60
  4. Step 4: Simplify right side
    210,384,003.60x = 50,291,980,779,112,200
  5. Step 5: Solve for x
    x = 50,291,980,779,112,200/210,384,003.60
  6. Step 6: Final answer
    x = 239,048,501.40

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1.5x scale

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.