Home / 49,645,931.10-74,468,896.65-28,122,570.60

Finding the Fourth Proportional to 49,645,931.10, 74,468,896.65 and 28,122,570.60

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Solution

The fourth proportional to 49,645,931.10, 74,468,896.65 and 28,122,570.60 is: 42,183,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645,931.10 : 74,468,896.65 = 28,122,570.60 : x
  2. Step 2: Convert to fraction form
    49,645,931.10/74,468,896.65 = 28,122,570.60/x
  3. Step 3: Cross multiply
    49,645,931.10x = 74,468,896.65 × 28,122,570.60
  4. Step 4: Simplify right side
    49,645,931.10x = 2,094,256,803,543,728.75
  5. Step 5: Solve for x
    x = 2,094,256,803,543,728.75/49,645,931.10
  6. Step 6: Final answer
    x = 42,183,855.90

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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.