Home / 138,046,437.41-190,573,113.29-85,852,290.02

Finding the Fourth Proportional to 138,046,437.41, 190,573,113.29 and 85,852,290.02

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Solution

The fourth proportional to 138,046,437.41, 190,573,113.29 and 85,852,290.02 is: 118,519,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,046,437.41 : 190,573,113.29 = 85,852,290.02 : x
  2. Step 2: Convert to fraction form
    138,046,437.41/190,573,113.29 = 85,852,290.02/x
  3. Step 3: Cross multiply
    138,046,437.41x = 190,573,113.29 × 85,852,290.02
  4. Step 4: Simplify right side
    138,046,437.41x = 16,361,138,190,805,270
  5. Step 5: Solve for x
    x = 16,361,138,190,805,270/138,046,437.41
  6. Step 6: Final answer
    x = 118,519,090.38

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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.