Home / 152,243,048.94-210,095,615.43-82,628,430.78

Finding the Fourth Proportional to 152,243,048.94, 210,095,615.43 and 82,628,430.78

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Solution

The fourth proportional to 152,243,048.94, 210,095,615.43 and 82,628,430.78 is: 114,027,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,048.94 : 210,095,615.43 = 82,628,430.78 : x
  2. Step 2: Convert to fraction form
    152,243,048.94/210,095,615.43 = 82,628,430.78/x
  3. Step 3: Cross multiply
    152,243,048.94x = 210,095,615.43 × 82,628,430.78
  4. Step 4: Simplify right side
    152,243,048.94x = 17,359,871,016,739,256
  5. Step 5: Solve for x
    x = 17,359,871,016,739,256/152,243,048.94
  6. Step 6: Final answer
    x = 114,027,347.31

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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.