Home / 146,835,808,615.78-202,633,425,634.02-81,728,838,681.55

Finding the Fourth Proportional to 146,835,808,615.78, 202,633,425,634.02 and 81,728,838,681.55

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Solution

The fourth proportional to 146,835,808,615.78, 202,633,425,634.02 and 81,728,838,681.55 is: 112,785,802,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,835,808,615.78 : 202,633,425,634.02 = 81,728,838,681.55 : x
  2. Step 2: Convert to fraction form
    146,835,808,615.78/202,633,425,634.02 = 81,728,838,681.55/x
  3. Step 3: Cross multiply
    146,835,808,615.78x = 202,633,425,634.02 × 81,728,838,681.55
  4. Step 4: Simplify right side
    146,835,808,615.78x = 16,560,994,555,132,274,278,400
  5. Step 5: Solve for x
    x = 16,560,994,555,132,274,278,400/146,835,808,615.78
  6. Step 6: Final answer
    x = 112,785,802,804.18

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1.5x scale

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.