Home / 136,555,921.19-188,461,775.15-83,667,727.66

Finding the Fourth Proportional to 136,555,921.19, 188,461,775.15 and 83,667,727.66

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Solution

The fourth proportional to 136,555,921.19, 188,461,775.15 and 83,667,727.66 is: 115,470,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555,921.19 : 188,461,775.15 = 83,667,727.66 : x
  2. Step 2: Convert to fraction form
    136,555,921.19/188,461,775.15 = 83,667,727.66/x
  3. Step 3: Cross multiply
    136,555,921.19x = 188,461,775.15 × 83,667,727.66
  4. Step 4: Simplify right side
    136,555,921.19x = 15,768,168,477,570,356
  5. Step 5: Solve for x
    x = 15,768,168,477,570,356/136,555,921.19
  6. Step 6: Final answer
    x = 115,470,411.98

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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.