Home / 49,878,680.80-74,818,021.20-48,385,688.80

Finding the Fourth Proportional to 49,878,680.80, 74,818,021.20 and 48,385,688.80

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Solution

The fourth proportional to 49,878,680.80, 74,818,021.20 and 48,385,688.80 is: 72,578,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878,680.80 : 74,818,021.20 = 48,385,688.80 : x
  2. Step 2: Convert to fraction form
    49,878,680.80/74,818,021.20 = 48,385,688.80/x
  3. Step 3: Cross multiply
    49,878,680.80x = 74,818,021.20 × 48,385,688.80
  4. Step 4: Simplify right side
    49,878,680.80x = 3,620,121,490,415,002.50
  5. Step 5: Solve for x
    x = 3,620,121,490,415,002.50/49,878,680.80
  6. Step 6: Final answer
    x = 72,578,533.20

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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.