Home / 119,031,678.54-164,263,632.21-66,820,815.18

Finding the Fourth Proportional to 119,031,678.54, 164,263,632.21 and 66,820,815.18

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Solution

The fourth proportional to 119,031,678.54, 164,263,632.21 and 66,820,815.18 is: 92,212,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,031,678.54 : 164,263,632.21 = 66,820,815.18 : x
  2. Step 2: Convert to fraction form
    119,031,678.54/164,263,632.21 = 66,820,815.18/x
  3. Step 3: Cross multiply
    119,031,678.54x = 164,263,632.21 × 66,820,815.18
  4. Step 4: Simplify right side
    119,031,678.54x = 10,976,229,808,699,906
  5. Step 5: Solve for x
    x = 10,976,229,808,699,906/119,031,678.54
  6. Step 6: Final answer
    x = 92,212,677.69

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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.