Home / 61,101,280.80-91,671,050.16-20,189,465.46

Finding the Fourth Proportional to 61,101,280.80, 91,671,050.16 and 20,189,465.46

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Solution

The fourth proportional to 61,101,280.80, 91,671,050.16 and 20,189,465.46 is: 30,290,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101,280.80 : 91,671,050.16 = 20,189,465.46 : x
  2. Step 2: Convert to fraction form
    61,101,280.80/91,671,050.16 = 20,189,465.46/x
  3. Step 3: Cross multiply
    61,101,280.80x = 91,671,050.16 × 20,189,465.46
  4. Step 4: Simplify right side
    61,101,280.80x = 1,850,789,500,887,247.50
  5. Step 5: Solve for x
    x = 1,850,789,500,887,247.50/61,101,280.80
  6. Step 6: Final answer
    x = 30,290,518.90

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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.