Home / 82,952,809.12-124,445,266.44-31,830,853.06

Finding the Fourth Proportional to 82,952,809.12, 124,445,266.44 and 31,830,853.06

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Solution

The fourth proportional to 82,952,809.12, 124,445,266.44 and 31,830,853.06 is: 47,752,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,809.12 : 124,445,266.44 = 31,830,853.06 : x
  2. Step 2: Convert to fraction form
    82,952,809.12/124,445,266.44 = 31,830,853.06/x
  3. Step 3: Cross multiply
    82,952,809.12x = 124,445,266.44 × 31,830,853.06
  4. Step 4: Simplify right side
    82,952,809.12x = 3,961,198,990,064,189
  5. Step 5: Solve for x
    x = 3,961,198,990,064,189/82,952,809.12
  6. Step 6: Final answer
    x = 47,752,439.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.