Home / 140,630,958.79-194,138,012.52-93,666,190.03

Finding the Fourth Proportional to 140,630,958.79, 194,138,012.52 and 93,666,190.03

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Solution

The fourth proportional to 140,630,958.79, 194,138,012.52 and 93,666,190.03 is: 129,304,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,630,958.79 : 194,138,012.52 = 93,666,190.03 : x
  2. Step 2: Convert to fraction form
    140,630,958.79/194,138,012.52 = 93,666,190.03/x
  3. Step 3: Cross multiply
    140,630,958.79x = 194,138,012.52 × 93,666,190.03
  4. Step 4: Simplify right side
    140,630,958.79x = 18,184,167,971,774,152
  5. Step 5: Solve for x
    x = 18,184,167,971,774,152/140,630,958.79
  6. Step 6: Final answer
    x = 129,304,159.83

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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.