Home / 71,955,366.63-99,298,406.01-38,915,615.60

Finding the Fourth Proportional to 71,955,366.63, 99,298,406.01 and 38,915,615.60

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Solution

The fourth proportional to 71,955,366.63, 99,298,406.01 and 38,915,615.60 is: 53,703,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,955,366.63 : 99,298,406.01 = 38,915,615.60 : x
  2. Step 2: Convert to fraction form
    71,955,366.63/99,298,406.01 = 38,915,615.60/x
  3. Step 3: Cross multiply
    71,955,366.63x = 99,298,406.01 × 38,915,615.60
  4. Step 4: Simplify right side
    71,955,366.63x = 3,864,258,597,999,700.50
  5. Step 5: Solve for x
    x = 3,864,258,597,999,700.50/71,955,366.63
  6. Step 6: Final answer
    x = 53,703,549.56

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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.