Home / 51,460,977.60-71,018,465.04-30,833,980.56

Finding the Fourth Proportional to 51,460,977.60, 71,018,465.04 and 30,833,980.56

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Solution

The fourth proportional to 51,460,977.60, 71,018,465.04 and 30,833,980.56 is: 42,552,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460,977.60 : 71,018,465.04 = 30,833,980.56 : x
  2. Step 2: Convert to fraction form
    51,460,977.60/71,018,465.04 = 30,833,980.56/x
  3. Step 3: Cross multiply
    51,460,977.60x = 71,018,465.04 × 30,833,980.56
  4. Step 4: Simplify right side
    51,460,977.60x = 2,189,781,970,444,399.75
  5. Step 5: Solve for x
    x = 2,189,781,970,444,399.75/51,460,977.60
  6. Step 6: Final answer
    x = 42,552,280.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.