Home / 101,479,750.02-140,042,146.59-55,070,004.40

Finding the Fourth Proportional to 101,479,750.02, 140,042,146.59 and 55,070,004.40

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Solution

The fourth proportional to 101,479,750.02, 140,042,146.59 and 55,070,004.40 is: 75,996,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479,750.02 : 140,042,146.59 = 55,070,004.40 : x
  2. Step 2: Convert to fraction form
    101,479,750.02/140,042,146.59 = 55,070,004.40/x
  3. Step 3: Cross multiply
    101,479,750.02x = 140,042,146.59 × 55,070,004.40
  4. Step 4: Simplify right side
    101,479,750.02x = 7,712,121,628,546,640
  5. Step 5: Solve for x
    x = 7,712,121,628,546,640/101,479,750.02
  6. Step 6: Final answer
    x = 75,996,655.76

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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.