Home / 99,139,829.54-136,806,967.26-55,085,322.02

Finding the Fourth Proportional to 99,139,829.54, 136,806,967.26 and 55,085,322.02

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Solution

The fourth proportional to 99,139,829.54, 136,806,967.26 and 55,085,322.02 is: 76,014,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,139,829.54 : 136,806,967.26 = 55,085,322.02 : x
  2. Step 2: Convert to fraction form
    99,139,829.54/136,806,967.26 = 55,085,322.02/x
  3. Step 3: Cross multiply
    99,139,829.54x = 136,806,967.26 × 55,085,322.02
  4. Step 4: Simplify right side
    99,139,829.54x = 7,536,055,846,096,697
  5. Step 5: Solve for x
    x = 7,536,055,846,096,697/99,139,829.54
  6. Step 6: Final answer
    x = 76,014,411.98

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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.