Home / 79,829,378.80-119,744,068.20-54,320,210.80

Finding the Fourth Proportional to 79,829,378.80, 119,744,068.20 and 54,320,210.80

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Solution

The fourth proportional to 79,829,378.80, 119,744,068.20 and 54,320,210.80 is: 81,480,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,829,378.80 : 119,744,068.20 = 54,320,210.80 : x
  2. Step 2: Convert to fraction form
    79,829,378.80/119,744,068.20 = 54,320,210.80/x
  3. Step 3: Cross multiply
    79,829,378.80x = 119,744,068.20 × 54,320,210.80
  4. Step 4: Simplify right side
    79,829,378.80x = 6,504,523,026,673,576
  5. Step 5: Solve for x
    x = 6,504,523,026,673,576/79,829,378.80
  6. Step 6: Final answer
    x = 81,480,316.20

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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.