Home / 252,053,407.36-347,837,985.96-139,035,866.45

Finding the Fourth Proportional to 252,053,407.36, 347,837,985.96 and 139,035,866.45

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Solution

The fourth proportional to 252,053,407.36, 347,837,985.96 and 139,035,866.45 is: 191,871,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,053,407.36 : 347,837,985.96 = 139,035,866.45 : x
  2. Step 2: Convert to fraction form
    252,053,407.36/347,837,985.96 = 139,035,866.45/x
  3. Step 3: Cross multiply
    252,053,407.36x = 347,837,985.96 × 139,035,866.45
  4. Step 4: Simplify right side
    252,053,407.36x = 48,361,955,759,910,960
  5. Step 5: Solve for x
    x = 48,361,955,759,910,960/252,053,407.36
  6. Step 6: Final answer
    x = 191,871,858.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.