Home / 193,163,843.80-289,745,765.70-63,791,421.40

Finding the Fourth Proportional to 193,163,843.80, 289,745,765.70 and 63,791,421.40

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Solution

The fourth proportional to 193,163,843.80, 289,745,765.70 and 63,791,421.40 is: 95,687,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,163,843.80 : 289,745,765.70 = 63,791,421.40 : x
  2. Step 2: Convert to fraction form
    193,163,843.80/289,745,765.70 = 63,791,421.40/x
  3. Step 3: Cross multiply
    193,163,843.80x = 289,745,765.70 × 63,791,421.40
  4. Step 4: Simplify right side
    193,163,843.80x = 18,483,294,238,634,364
  5. Step 5: Solve for x
    x = 18,483,294,238,634,364/193,163,843.80
  6. Step 6: Final answer
    x = 95,687,132.10

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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.