Home / 127,254,306.80-190,616,622.08-80,966,889.20

Finding the Fourth Proportional to 127,254,306.80, 190,616,622.08 and 80,966,889.20

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Solution

The fourth proportional to 127,254,306.80, 190,616,622.08 and 80,966,889.20 is: 121,281,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,254,306.80 : 190,616,622.08 = 80,966,889.20 : x
  2. Step 2: Convert to fraction form
    127,254,306.80/190,616,622.08 = 80,966,889.20/x
  3. Step 3: Cross multiply
    127,254,306.80x = 190,616,622.08 × 80,966,889.20
  4. Step 4: Simplify right side
    127,254,306.80x = 15,433,634,918,271,714
  5. Step 5: Solve for x
    x = 15,433,634,918,271,714/127,254,306.80
  6. Step 6: Final answer
    x = 121,281,827.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.