Home / 63,063,173.64-87,070,210.80-40,790,149.20

Finding the Fourth Proportional to 63,063,173.64, 87,070,210.80 and 40,790,149.20

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Solution

The fourth proportional to 63,063,173.64, 87,070,210.80 and 40,790,149.20 is: 56,318,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,063,173.64 : 87,070,210.80 = 40,790,149.20 : x
  2. Step 2: Convert to fraction form
    63,063,173.64/87,070,210.80 = 40,790,149.20/x
  3. Step 3: Cross multiply
    63,063,173.64x = 87,070,210.80 × 40,790,149.20
  4. Step 4: Simplify right side
    63,063,173.64x = 3,551,606,889,407,451.50
  5. Step 5: Solve for x
    x = 3,551,606,889,407,451.50/63,063,173.64
  6. Step 6: Final answer
    x = 56,318,239.07

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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.