Home / 137,695,559.82-190,024,536.27-74,974,090.29

Finding the Fourth Proportional to 137,695,559.82, 190,024,536.27 and 74,974,090.29

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Solution

The fourth proportional to 137,695,559.82, 190,024,536.27 and 74,974,090.29 is: 103,466,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,695,559.82 : 190,024,536.27 = 74,974,090.29 : x
  2. Step 2: Convert to fraction form
    137,695,559.82/190,024,536.27 = 74,974,090.29/x
  3. Step 3: Cross multiply
    137,695,559.82x = 190,024,536.27 × 74,974,090.29
  4. Step 4: Simplify right side
    137,695,559.82x = 14,246,916,739,622,362
  5. Step 5: Solve for x
    x = 14,246,916,739,622,362/137,695,559.82
  6. Step 6: Final answer
    x = 103,466,783.96

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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.