Home / 118,412,216.83-163,400,563.79-68,849,074.26

Finding the Fourth Proportional to 118,412,216.83, 163,400,563.79 and 68,849,074.26

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Solution

The fourth proportional to 118,412,216.83, 163,400,563.79 and 68,849,074.26 is: 95,006,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,412,216.83 : 163,400,563.79 = 68,849,074.26 : x
  2. Step 2: Convert to fraction form
    118,412,216.83/163,400,563.79 = 68,849,074.26/x
  3. Step 3: Cross multiply
    118,412,216.83x = 163,400,563.79 × 68,849,074.26
  4. Step 4: Simplify right side
    118,412,216.83x = 11,249,977,550,503,578
  5. Step 5: Solve for x
    x = 11,249,977,550,503,578/118,412,216.83
  6. Step 6: Final answer
    x = 95,006,899.22

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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.