Home / 164,856,858.51-247,292,012.79-42,038,361.21

Finding the Fourth Proportional to 164,856,858.51, 247,292,012.79 and 42,038,361.21

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Solution

The fourth proportional to 164,856,858.51, 247,292,012.79 and 42,038,361.21 is: 63,059,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,856,858.51 : 247,292,012.79 = 42,038,361.21 : x
  2. Step 2: Convert to fraction form
    164,856,858.51/247,292,012.79 = 42,038,361.21/x
  3. Step 3: Cross multiply
    164,856,858.51x = 247,292,012.79 × 42,038,361.21
  4. Step 4: Simplify right side
    164,856,858.51x = 10,395,750,958,013,960
  5. Step 5: Solve for x
    x = 10,395,750,958,013,960/164,856,858.51
  6. Step 6: Final answer
    x = 63,059,256.69

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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.