Home / 127,746,002.80-191,619,004.20-73,830,329.20

Finding the Fourth Proportional to 127,746,002.80, 191,619,004.20 and 73,830,329.20

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Solution

The fourth proportional to 127,746,002.80, 191,619,004.20 and 73,830,329.20 is: 110,745,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,002.80 : 191,619,004.20 = 73,830,329.20 : x
  2. Step 2: Convert to fraction form
    127,746,002.80/191,619,004.20 = 73,830,329.20/x
  3. Step 3: Cross multiply
    127,746,002.80x = 191,619,004.20 × 73,830,329.20
  4. Step 4: Simplify right side
    127,746,002.80x = 14,147,294,161,062,182
  5. Step 5: Solve for x
    x = 14,147,294,161,062,182/127,746,002.80
  6. Step 6: Final answer
    x = 110,745,493.80

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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.