Home / 118,585,137.51-163,607,884.34-69,014,999.30

Finding the Fourth Proportional to 118,585,137.51, 163,607,884.34 and 69,014,999.30

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Solution

The fourth proportional to 118,585,137.51, 163,607,884.34 and 69,014,999.30 is: 95,217,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,585,137.51 : 163,607,884.34 = 69,014,999.30 : x
  2. Step 2: Convert to fraction form
    118,585,137.51/163,607,884.34 = 69,014,999.30/x
  3. Step 3: Cross multiply
    118,585,137.51x = 163,607,884.34 × 69,014,999.30
  4. Step 4: Simplify right side
    118,585,137.51x = 11,291,398,022,036,468
  5. Step 5: Solve for x
    x = 11,291,398,022,036,468/118,585,137.51
  6. Step 6: Final answer
    x = 95,217,649.19

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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.