Home / 123,216,080.57-170,031,454.74-67,450,713.11

Finding the Fourth Proportional to 123,216,080.57, 170,031,454.74 and 67,450,713.11

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Solution

The fourth proportional to 123,216,080.57, 170,031,454.74 and 67,450,713.11 is: 93,078,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,216,080.57 : 170,031,454.74 = 67,450,713.11 : x
  2. Step 2: Convert to fraction form
    123,216,080.57/170,031,454.74 = 67,450,713.11/x
  3. Step 3: Cross multiply
    123,216,080.57x = 170,031,454.74 × 67,450,713.11
  4. Step 4: Simplify right side
    123,216,080.57x = 11,468,742,872,493,534
  5. Step 5: Solve for x
    x = 11,468,742,872,493,534/123,216,080.57
  6. Step 6: Final answer
    x = 93,078,296.43

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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.