Home / 217,130,672.80-325,696,009.20-152,507,447.20

Finding the Fourth Proportional to 217,130,672.80, 325,696,009.20 and 152,507,447.20

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Solution

The fourth proportional to 217,130,672.80, 325,696,009.20 and 152,507,447.20 is: 228,761,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,130,672.80 : 325,696,009.20 = 152,507,447.20 : x
  2. Step 2: Convert to fraction form
    217,130,672.80/325,696,009.20 = 152,507,447.20/x
  3. Step 3: Cross multiply
    217,130,672.80x = 325,696,009.20 × 152,507,447.20
  4. Step 4: Simplify right side
    217,130,672.80x = 49,671,066,926,319,712
  5. Step 5: Solve for x
    x = 49,671,066,926,319,712/217,130,672.80
  6. Step 6: Final answer
    x = 228,761,170.80

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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.