Home / 76,615,417.28-105,731,519.20-41,810,350.40

Finding the Fourth Proportional to 76,615,417.28, 105,731,519.20 and 41,810,350.40

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Solution

The fourth proportional to 76,615,417.28, 105,731,519.20 and 41,810,350.40 is: 57,699,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,417.28 : 105,731,519.20 = 41,810,350.40 : x
  2. Step 2: Convert to fraction form
    76,615,417.28/105,731,519.20 = 41,810,350.40/x
  3. Step 3: Cross multiply
    76,615,417.28x = 105,731,519.20 × 41,810,350.40
  4. Step 4: Simplify right side
    76,615,417.28x = 4,420,671,866,076,327.50
  5. Step 5: Solve for x
    x = 4,420,671,866,076,327.50/76,615,417.28
  6. Step 6: Final answer
    x = 57,699,507.79

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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.