Home / 216,552,008.40-324,828,012.60-165,533,672.40

Finding the Fourth Proportional to 216,552,008.40, 324,828,012.60 and 165,533,672.40

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Solution

The fourth proportional to 216,552,008.40, 324,828,012.60 and 165,533,672.40 is: 248,300,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,552,008.40 : 324,828,012.60 = 165,533,672.40 : x
  2. Step 2: Convert to fraction form
    216,552,008.40/324,828,012.60 = 165,533,672.40/x
  3. Step 3: Cross multiply
    216,552,008.40x = 324,828,012.60 × 165,533,672.40
  4. Step 4: Simplify right side
    216,552,008.40x = 53,769,973,824,071,480
  5. Step 5: Solve for x
    x = 53,769,973,824,071,480/216,552,008.40
  6. Step 6: Final answer
    x = 248,300,508.60

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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.