Home / 87,179,800.64-130,701,842.40-56,409,365.12

Finding the Fourth Proportional to 87,179,800.64, 130,701,842.40 and 56,409,365.12

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Solution

The fourth proportional to 87,179,800.64, 130,701,842.40 and 56,409,365.12 is: 84,570,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,179,800.64 : 130,701,842.40 = 56,409,365.12 : x
  2. Step 2: Convert to fraction form
    87,179,800.64/130,701,842.40 = 56,409,365.12/x
  3. Step 3: Cross multiply
    87,179,800.64x = 130,701,842.40 × 56,409,365.12
  4. Step 4: Simplify right side
    87,179,800.64x = 7,372,807,949,798,297
  5. Step 5: Solve for x
    x = 7,372,807,949,798,297/87,179,800.64
  6. Step 6: Final answer
    x = 84,570,140.05

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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.