Home / 140,017,507.82-210,026,261.74-37,781,381.42

Finding the Fourth Proportional to 140,017,507.82, 210,026,261.74 and 37,781,381.42

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Solution

The fourth proportional to 140,017,507.82, 210,026,261.74 and 37,781,381.42 is: 56,672,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,017,507.82 : 210,026,261.74 = 37,781,381.42 : x
  2. Step 2: Convert to fraction form
    140,017,507.82/210,026,261.74 = 37,781,381.42/x
  3. Step 3: Cross multiply
    140,017,507.82x = 210,026,261.74 × 37,781,381.42
  4. Step 4: Simplify right side
    140,017,507.82x = 7,935,082,303,015,694
  5. Step 5: Solve for x
    x = 7,935,082,303,015,694/140,017,507.82
  6. Step 6: Final answer
    x = 56,672,072.13

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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.