Home / 411,211,991.40-616,757,314.08-120,000,923.82

Finding the Fourth Proportional to 411,211,991.40, 616,757,314.08 and 120,000,923.82

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Solution

The fourth proportional to 411,211,991.40, 616,757,314.08 and 120,000,923.82 is: 179,983,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,211,991.40 : 616,757,314.08 = 120,000,923.82 : x
  2. Step 2: Convert to fraction form
    411,211,991.40/616,757,314.08 = 120,000,923.82/x
  3. Step 3: Cross multiply
    411,211,991.40x = 616,757,314.08 × 120,000,923.82
  4. Step 4: Simplify right side
    411,211,991.40x = 74,011,447,462,341,888
  5. Step 5: Solve for x
    x = 74,011,447,462,341,888/411,211,991.40
  6. Step 6: Final answer
    x = 179,983,679.98

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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.