Home / 123,596,618.04-170,562,228.48-67,840,387.20

Finding the Fourth Proportional to 123,596,618.04, 170,562,228.48 and 67,840,387.20

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Solution

The fourth proportional to 123,596,618.04, 170,562,228.48 and 67,840,387.20 is: 93,619,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,596,618.04 : 170,562,228.48 = 67,840,387.20 : x
  2. Step 2: Convert to fraction form
    123,596,618.04/170,562,228.48 = 67,840,387.20/x
  3. Step 3: Cross multiply
    123,596,618.04x = 170,562,228.48 × 67,840,387.20
  4. Step 4: Simplify right side
    123,596,618.04x = 11,571,007,621,778,068
  5. Step 5: Solve for x
    x = 11,571,007,621,778,068/123,596,618.04
  6. Step 6: Final answer
    x = 93,619,128.14

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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.