Home / 71,227,209-98,293,554.90-40,286,712.36

Finding the Fourth Proportional to 71,227,209, 98,293,554.90 and 40,286,712.36

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Solution

The fourth proportional to 71,227,209, 98,293,554.90 and 40,286,712.36 is: 55,595,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,227,209 : 98,293,554.90 = 40,286,712.36 : x
  2. Step 2: Convert to fraction form
    71,227,209/98,293,554.90 = 40,286,712.36/x
  3. Step 3: Cross multiply
    71,227,209x = 98,293,554.90 × 40,286,712.36
  4. Step 4: Simplify right side
    71,227,209x = 3,959,924,173,098,168.50
  5. Step 5: Solve for x
    x = 3,959,924,173,098,168.50/71,227,209
  6. Step 6: Final answer
    x = 55,595,666.72

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1.5x scale

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.