Home / 154,588,989.51-213,331,548.02-84,973,630.23

Finding the Fourth Proportional to 154,588,989.51, 213,331,548.02 and 84,973,630.23

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Solution

The fourth proportional to 154,588,989.51, 213,331,548.02 and 84,973,630.23 is: 117,262,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588,989.51 : 213,331,548.02 = 84,973,630.23 : x
  2. Step 2: Convert to fraction form
    154,588,989.51/213,331,548.02 = 84,973,630.23/x
  3. Step 3: Cross multiply
    154,588,989.51x = 213,331,548.02 × 84,973,630.23
  4. Step 4: Simplify right side
    154,588,989.51x = 18,127,556,077,420,100
  5. Step 5: Solve for x
    x = 18,127,556,077,420,100/154,588,989.51
  6. Step 6: Final answer
    x = 117,262,918.50

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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.