Home / 43,185,127.50-64,725,312.48-31,719,255.12

Finding the Fourth Proportional to 43,185,127.50, 64,725,312.48 and 31,719,255.12

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Solution

The fourth proportional to 43,185,127.50, 64,725,312.48 and 31,719,255.12 is: 47,540,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,185,127.50 : 64,725,312.48 = 31,719,255.12 : x
  2. Step 2: Convert to fraction form
    43,185,127.50/64,725,312.48 = 31,719,255.12/x
  3. Step 3: Cross multiply
    43,185,127.50x = 64,725,312.48 × 31,719,255.12
  4. Step 4: Simplify right side
    43,185,127.50x = 2,053,038,699,274,839.75
  5. Step 5: Solve for x
    x = 2,053,038,699,274,839.75/43,185,127.50
  6. Step 6: Final answer
    x = 47,540,410.74

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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.