Home / 42,128,830.80-63,193,246.20-34,476,080.40

Finding the Fourth Proportional to 42,128,830.80, 63,193,246.20 and 34,476,080.40

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Solution

The fourth proportional to 42,128,830.80, 63,193,246.20 and 34,476,080.40 is: 51,714,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128,830.80 : 63,193,246.20 = 34,476,080.40 : x
  2. Step 2: Convert to fraction form
    42,128,830.80/63,193,246.20 = 34,476,080.40/x
  3. Step 3: Cross multiply
    42,128,830.80x = 63,193,246.20 × 34,476,080.40
  4. Step 4: Simplify right side
    42,128,830.80x = 2,178,655,436,728,194.50
  5. Step 5: Solve for x
    x = 2,178,655,436,728,194.50/42,128,830.80
  6. Step 6: Final answer
    x = 51,714,120.60

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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.