Home / 49,902,271.20-74,772,925.20-28,272,549.60

Finding the Fourth Proportional to 49,902,271.20, 74,772,925.20 and 28,272,549.60

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Solution

The fourth proportional to 49,902,271.20, 74,772,925.20 and 28,272,549.60 is: 42,363,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902,271.20 : 74,772,925.20 = 28,272,549.60 : x
  2. Step 2: Convert to fraction form
    49,902,271.20/74,772,925.20 = 28,272,549.60/x
  3. Step 3: Cross multiply
    49,902,271.20x = 74,772,925.20 × 28,272,549.60
  4. Step 4: Simplify right side
    49,902,271.20x = 2,114,021,236,454,090
  5. Step 5: Solve for x
    x = 2,114,021,236,454,090/49,902,271.20
  6. Step 6: Final answer
    x = 42,363,226.88

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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.