Home / 97,471,241.40-146,206,862.10-78,339,365.40

Finding the Fourth Proportional to 97,471,241.40, 146,206,862.10 and 78,339,365.40

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Solution

The fourth proportional to 97,471,241.40, 146,206,862.10 and 78,339,365.40 is: 117,509,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471,241.40 : 146,206,862.10 = 78,339,365.40 : x
  2. Step 2: Convert to fraction form
    97,471,241.40/146,206,862.10 = 78,339,365.40/x
  3. Step 3: Cross multiply
    97,471,241.40x = 146,206,862.10 × 78,339,365.40
  4. Step 4: Simplify right side
    97,471,241.40x = 11,453,752,794,039,312
  5. Step 5: Solve for x
    x = 11,453,752,794,039,312/97,471,241.40
  6. Step 6: Final answer
    x = 117,509,048.10

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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.