Home / 84,973,443.81-126,976,435.78-63,802,775.94

Finding the Fourth Proportional to 84,973,443.81, 126,976,435.78 and 63,802,775.94

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Solution

The fourth proportional to 84,973,443.81, 126,976,435.78 and 63,802,775.94 is: 95,340,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,973,443.81 : 126,976,435.78 = 63,802,775.94 : x
  2. Step 2: Convert to fraction form
    84,973,443.81/126,976,435.78 = 63,802,775.94/x
  3. Step 3: Cross multiply
    84,973,443.81x = 126,976,435.78 × 63,802,775.94
  4. Step 4: Simplify right side
    84,973,443.81x = 8,101,449,081,731,139
  5. Step 5: Solve for x
    x = 8,101,449,081,731,139/84,973,443.81
  6. Step 6: Final answer
    x = 95,340,952.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.