Home / 42,768,027.30-64,152,040.95-20,051,220.90

Finding the Fourth Proportional to 42,768,027.30, 64,152,040.95 and 20,051,220.90

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Solution

The fourth proportional to 42,768,027.30, 64,152,040.95 and 20,051,220.90 is: 30,076,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,027.30 : 64,152,040.95 = 20,051,220.90 : x
  2. Step 2: Convert to fraction form
    42,768,027.30/64,152,040.95 = 20,051,220.90/x
  3. Step 3: Cross multiply
    42,768,027.30x = 64,152,040.95 × 20,051,220.90
  4. Step 4: Simplify right side
    42,768,027.30x = 1,286,326,744,274,295.75
  5. Step 5: Solve for x
    x = 1,286,326,744,274,295.75/42,768,027.30
  6. Step 6: Final answer
    x = 30,076,831.35

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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.