Home / 124,650,999.42-187,827,333.32-102,429,679.74

Finding the Fourth Proportional to 124,650,999.42, 187,827,333.32 and 102,429,679.74

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Solution

The fourth proportional to 124,650,999.42, 187,827,333.32 and 102,429,679.74 is: 154,343,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,650,999.42 : 187,827,333.32 = 102,429,679.74 : x
  2. Step 2: Convert to fraction form
    124,650,999.42/187,827,333.32 = 102,429,679.74/x
  3. Step 3: Cross multiply
    124,650,999.42x = 187,827,333.32 × 102,429,679.74
  4. Step 4: Simplify right side
    124,650,999.42x = 19,239,093,597,873,680
  5. Step 5: Solve for x
    x = 19,239,093,597,873,680/124,650,999.42
  6. Step 6: Final answer
    x = 154,343,677.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.