Home / 115,857,618.80-173,898,402.60-70,507,986.80

Finding the Fourth Proportional to 115,857,618.80, 173,898,402.60 and 70,507,986.80

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Solution

The fourth proportional to 115,857,618.80, 173,898,402.60 and 70,507,986.80 is: 105,830,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,857,618.80 : 173,898,402.60 = 70,507,986.80 : x
  2. Step 2: Convert to fraction form
    115,857,618.80/173,898,402.60 = 70,507,986.80/x
  3. Step 3: Cross multiply
    115,857,618.80x = 173,898,402.60 × 70,507,986.80
  4. Step 4: Simplify right side
    115,857,618.80x = 12,261,226,275,061,884
  5. Step 5: Solve for x
    x = 12,261,226,275,061,884/115,857,618.80
  6. Step 6: Final answer
    x = 105,830,124.96

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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.