Home / 99,997,214.52-137,995,139.49-55,343,274.54

Finding the Fourth Proportional to 99,997,214.52, 137,995,139.49 and 55,343,274.54

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Solution

The fourth proportional to 99,997,214.52, 137,995,139.49 and 55,343,274.54 is: 76,373,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,997,214.52 : 137,995,139.49 = 55,343,274.54 : x
  2. Step 2: Convert to fraction form
    99,997,214.52/137,995,139.49 = 55,343,274.54/x
  3. Step 3: Cross multiply
    99,997,214.52x = 137,995,139.49 × 55,343,274.54
  4. Step 4: Simplify right side
    99,997,214.52x = 7,637,102,889,980,666
  5. Step 5: Solve for x
    x = 7,637,102,889,980,666/99,997,214.52
  6. Step 6: Final answer
    x = 76,373,156.26

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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.