Home / 136,561,854.80-188,412,335.63-83,583,332.57

Finding the Fourth Proportional to 136,561,854.80, 188,412,335.63 and 83,583,332.57

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Solution

The fourth proportional to 136,561,854.80, 188,412,335.63 and 83,583,332.57 is: 115,318,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,561,854.80 : 188,412,335.63 = 83,583,332.57 : x
  2. Step 2: Convert to fraction form
    136,561,854.80/188,412,335.63 = 83,583,332.57/x
  3. Step 3: Cross multiply
    136,561,854.80x = 188,412,335.63 × 83,583,332.57
  4. Step 4: Simplify right side
    136,561,854.80x = 15,748,130,907,892,772
  5. Step 5: Solve for x
    x = 15,748,130,907,892,772/136,561,854.80
  6. Step 6: Final answer
    x = 115,318,665.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.