Home / 48,993,821.20-73,490,731.80-33,688,320.40

Finding the Fourth Proportional to 48,993,821.20, 73,490,731.80 and 33,688,320.40

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Solution

The fourth proportional to 48,993,821.20, 73,490,731.80 and 33,688,320.40 is: 50,532,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993,821.20 : 73,490,731.80 = 33,688,320.40 : x
  2. Step 2: Convert to fraction form
    48,993,821.20/73,490,731.80 = 33,688,320.40/x
  3. Step 3: Cross multiply
    48,993,821.20x = 73,490,731.80 × 33,688,320.40
  4. Step 4: Simplify right side
    48,993,821.20x = 2,475,779,319,308,868.50
  5. Step 5: Solve for x
    x = 2,475,779,319,308,868.50/48,993,821.20
  6. Step 6: Final answer
    x = 50,532,480.60

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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.