Home / 115,865,835.98-173,841,138.03-109,020,875.90

Finding the Fourth Proportional to 115,865,835.98, 173,841,138.03 and 109,020,875.90

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Solution

The fourth proportional to 115,865,835.98, 173,841,138.03 and 109,020,875.90 is: 163,571,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,865,835.98 : 173,841,138.03 = 109,020,875.90 : x
  2. Step 2: Convert to fraction form
    115,865,835.98/173,841,138.03 = 109,020,875.90/x
  3. Step 3: Cross multiply
    115,865,835.98x = 173,841,138.03 × 109,020,875.90
  4. Step 4: Simplify right side
    115,865,835.98x = 18,952,313,135,483,400
  5. Step 5: Solve for x
    x = 18,952,313,135,483,400/115,865,835.98
  6. Step 6: Final answer
    x = 163,571,194.00

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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.