Home / 48,386,940.30-72,580,410.45-31,254,857.10

Finding the Fourth Proportional to 48,386,940.30, 72,580,410.45 and 31,254,857.10

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Solution

The fourth proportional to 48,386,940.30, 72,580,410.45 and 31,254,857.10 is: 46,882,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,940.30 : 72,580,410.45 = 31,254,857.10 : x
  2. Step 2: Convert to fraction form
    48,386,940.30/72,580,410.45 = 31,254,857.10/x
  3. Step 3: Cross multiply
    48,386,940.30x = 72,580,410.45 × 31,254,857.10
  4. Step 4: Simplify right side
    48,386,940.30x = 2,268,490,356,874,097
  5. Step 5: Solve for x
    x = 2,268,490,356,874,097/48,386,940.30
  6. Step 6: Final answer
    x = 46,882,285.65

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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.