Home / 65,289,640.80-97,850,480.40-39,703,490.40

Finding the Fourth Proportional to 65,289,640.80, 97,850,480.40 and 39,703,490.40

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Solution

The fourth proportional to 65,289,640.80, 97,850,480.40 and 39,703,490.40 is: 59,504,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,289,640.80 : 97,850,480.40 = 39,703,490.40 : x
  2. Step 2: Convert to fraction form
    65,289,640.80/97,850,480.40 = 39,703,490.40/x
  3. Step 3: Cross multiply
    65,289,640.80x = 97,850,480.40 × 39,703,490.40
  4. Step 4: Simplify right side
    65,289,640.80x = 3,885,005,609,196,788.50
  5. Step 5: Solve for x
    x = 3,885,005,609,196,788.50/65,289,640.80
  6. Step 6: Final answer
    x = 59,504,165.77

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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.