Home / 136,932,526.16-188,907,506.37-90,587,328.02

Finding the Fourth Proportional to 136,932,526.16, 188,907,506.37 and 90,587,328.02

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Solution

The fourth proportional to 136,932,526.16, 188,907,506.37 and 90,587,328.02 is: 124,971,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932,526.16 : 188,907,506.37 = 90,587,328.02 : x
  2. Step 2: Convert to fraction form
    136,932,526.16/188,907,506.37 = 90,587,328.02/x
  3. Step 3: Cross multiply
    136,932,526.16x = 188,907,506.37 × 90,587,328.02
  4. Step 4: Simplify right side
    136,932,526.16x = 17,112,626,244,034,892
  5. Step 5: Solve for x
    x = 17,112,626,244,034,892/136,932,526.16
  6. Step 6: Final answer
    x = 124,971,230.17

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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.