Home / 106,618,795.71-147,143,800.58-64,793,208.03

Finding the Fourth Proportional to 106,618,795.71, 147,143,800.58 and 64,793,208.03

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Solution

The fourth proportional to 106,618,795.71, 147,143,800.58 and 64,793,208.03 is: 89,420,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,618,795.71 : 147,143,800.58 = 64,793,208.03 : x
  2. Step 2: Convert to fraction form
    106,618,795.71/147,143,800.58 = 64,793,208.03/x
  3. Step 3: Cross multiply
    106,618,795.71x = 147,143,800.58 × 64,793,208.03
  4. Step 4: Simplify right side
    106,618,795.71x = 9,533,918,881,304,776
  5. Step 5: Solve for x
    x = 9,533,918,881,304,776/106,618,795.71
  6. Step 6: Final answer
    x = 89,420,620.61

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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.