Home / 67,068,014.20-100,602,021.30-45,385,221.40

Finding the Fourth Proportional to 67,068,014.20, 100,602,021.30 and 45,385,221.40

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Solution

The fourth proportional to 67,068,014.20, 100,602,021.30 and 45,385,221.40 is: 68,077,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,014.20 : 100,602,021.30 = 45,385,221.40 : x
  2. Step 2: Convert to fraction form
    67,068,014.20/100,602,021.30 = 45,385,221.40/x
  3. Step 3: Cross multiply
    67,068,014.20x = 100,602,021.30 × 45,385,221.40
  4. Step 4: Simplify right side
    67,068,014.20x = 4,565,845,009,988,016
  5. Step 5: Solve for x
    x = 4,565,845,009,988,016/67,068,014.20
  6. Step 6: Final answer
    x = 68,077,832.10

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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.