Home / 66,951,264.80-100,426,897.20-18,436,606.40

Finding the Fourth Proportional to 66,951,264.80, 100,426,897.20 and 18,436,606.40

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Solution

The fourth proportional to 66,951,264.80, 100,426,897.20 and 18,436,606.40 is: 27,654,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951,264.80 : 100,426,897.20 = 18,436,606.40 : x
  2. Step 2: Convert to fraction form
    66,951,264.80/100,426,897.20 = 18,436,606.40/x
  3. Step 3: Cross multiply
    66,951,264.80x = 100,426,897.20 × 18,436,606.40
  4. Step 4: Simplify right side
    66,951,264.80x = 1,851,531,175,649,662
  5. Step 5: Solve for x
    x = 1,851,531,175,649,662/66,951,264.80
  6. Step 6: Final answer
    x = 27,654,909.60

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1.5x scale

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.