Home / 114,447,045.40-171,670,568.10-78,167,339.80

Finding the Fourth Proportional to 114,447,045.40, 171,670,568.10 and 78,167,339.80

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Solution

The fourth proportional to 114,447,045.40, 171,670,568.10 and 78,167,339.80 is: 117,251,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,447,045.40 : 171,670,568.10 = 78,167,339.80 : x
  2. Step 2: Convert to fraction form
    114,447,045.40/171,670,568.10 = 78,167,339.80/x
  3. Step 3: Cross multiply
    114,447,045.40x = 171,670,568.10 × 78,167,339.80
  4. Step 4: Simplify right side
    114,447,045.40x = 13,419,031,630,331,740
  5. Step 5: Solve for x
    x = 13,419,031,630,331,740/114,447,045.40
  6. Step 6: Final answer
    x = 117,251,009.70

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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.