Home / 74,754,289.80-112,131,434.70-73,746,520.20

Finding the Fourth Proportional to 74,754,289.80, 112,131,434.70 and 73,746,520.20

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Solution

The fourth proportional to 74,754,289.80, 112,131,434.70 and 73,746,520.20 is: 110,619,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754,289.80 : 112,131,434.70 = 73,746,520.20 : x
  2. Step 2: Convert to fraction form
    74,754,289.80/112,131,434.70 = 73,746,520.20/x
  3. Step 3: Cross multiply
    74,754,289.80x = 112,131,434.70 × 73,746,520.20
  4. Step 4: Simplify right side
    74,754,289.80x = 8,269,303,114,158,531
  5. Step 5: Solve for x
    x = 8,269,303,114,158,531/74,754,289.80
  6. Step 6: Final answer
    x = 110,619,780.30

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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.