Home / 122,209,827.26-168,644,427.90-69,290,095.01

Finding the Fourth Proportional to 122,209,827.26, 168,644,427.90 and 69,290,095.01

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Solution

The fourth proportional to 122,209,827.26, 168,644,427.90 and 69,290,095.01 is: 95,617,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,209,827.26 : 168,644,427.90 = 69,290,095.01 : x
  2. Step 2: Convert to fraction form
    122,209,827.26/168,644,427.90 = 69,290,095.01/x
  3. Step 3: Cross multiply
    122,209,827.26x = 168,644,427.90 × 69,290,095.01
  4. Step 4: Simplify right side
    122,209,827.26x = 11,685,388,431,254,872
  5. Step 5: Solve for x
    x = 11,685,388,431,254,872/122,209,827.26
  6. Step 6: Final answer
    x = 95,617,420.41

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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.