Home / 48,516,574.78-72,403,549.96-43,340,879.20

Finding the Fourth Proportional to 48,516,574.78, 72,403,549.96 and 43,340,879.20

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Solution

The fourth proportional to 48,516,574.78, 72,403,549.96 and 43,340,879.20 is: 64,679,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516,574.78 : 72,403,549.96 = 43,340,879.20 : x
  2. Step 2: Convert to fraction form
    48,516,574.78/72,403,549.96 = 43,340,879.20/x
  3. Step 3: Cross multiply
    48,516,574.78x = 72,403,549.96 × 43,340,879.20
  4. Step 4: Simplify right side
    48,516,574.78x = 3,138,033,512,467,525
  5. Step 5: Solve for x
    x = 3,138,033,512,467,525/48,516,574.78
  6. Step 6: Final answer
    x = 64,679,617.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.