Home / 48,387,386.20-72,533,840.10-43,285,552.60

Finding the Fourth Proportional to 48,387,386.20, 72,533,840.10 and 43,285,552.60

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Solution

The fourth proportional to 48,387,386.20, 72,533,840.10 and 43,285,552.60 is: 64,886,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,386.20 : 72,533,840.10 = 43,285,552.60 : x
  2. Step 2: Convert to fraction form
    48,387,386.20/72,533,840.10 = 43,285,552.60/x
  3. Step 3: Cross multiply
    48,387,386.20x = 72,533,840.10 × 43,285,552.60
  4. Step 4: Simplify right side
    48,387,386.20x = 3,139,667,350,928,539
  5. Step 5: Solve for x
    x = 3,139,667,350,928,539/48,387,386.20
  6. Step 6: Final answer
    x = 64,886,070.47

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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.