Home / 137,537,600.31-189,802,888.98-74,814,239.82

Finding the Fourth Proportional to 137,537,600.31, 189,802,888.98 and 74,814,239.82

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Solution

The fourth proportional to 137,537,600.31, 189,802,888.98 and 74,814,239.82 is: 103,244,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,537,600.31 : 189,802,888.98 = 74,814,239.82 : x
  2. Step 2: Convert to fraction form
    137,537,600.31/189,802,888.98 = 74,814,239.82/x
  3. Step 3: Cross multiply
    137,537,600.31x = 189,802,888.98 × 74,814,239.82
  4. Step 4: Simplify right side
    137,537,600.31x = 14,199,958,854,678,554
  5. Step 5: Solve for x
    x = 14,199,958,854,678,554/137,537,600.31
  6. Step 6: Final answer
    x = 103,244,195.21

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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.