Home / 115,909,715.80-173,976,548.10-70,560,083.80

Finding the Fourth Proportional to 115,909,715.80, 173,976,548.10 and 70,560,083.80

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Solution

The fourth proportional to 115,909,715.80, 173,976,548.10 and 70,560,083.80 is: 105,908,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,715.80 : 173,976,548.10 = 70,560,083.80 : x
  2. Step 2: Convert to fraction form
    115,909,715.80/173,976,548.10 = 70,560,083.80/x
  3. Step 3: Cross multiply
    115,909,715.80x = 173,976,548.10 × 70,560,083.80
  4. Step 4: Simplify right side
    115,909,715.80x = 12,275,799,813,170,730
  5. Step 5: Solve for x
    x = 12,275,799,813,170,730/115,909,715.80
  6. Step 6: Final answer
    x = 105,908,290.16

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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.