Home / 136,696,186.61-188,580,623.34-80,152,070.81

Finding the Fourth Proportional to 136,696,186.61, 188,580,623.34 and 80,152,070.81

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Solution

The fourth proportional to 136,696,186.61, 188,580,623.34 and 80,152,070.81 is: 110,574,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,696,186.61 : 188,580,623.34 = 80,152,070.81 : x
  2. Step 2: Convert to fraction form
    136,696,186.61/188,580,623.34 = 80,152,070.81/x
  3. Step 3: Cross multiply
    136,696,186.61x = 188,580,623.34 × 80,152,070.81
  4. Step 4: Simplify right side
    136,696,186.61x = 15,115,127,474,699,288
  5. Step 5: Solve for x
    x = 15,115,127,474,699,288/136,696,186.61
  6. Step 6: Final answer
    x = 110,574,609.65

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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.