Home / 67,068,016.20-100,602,024.30-45,385,223.40

Finding the Fourth Proportional to 67,068,016.20, 100,602,024.30 and 45,385,223.40

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Solution

The fourth proportional to 67,068,016.20, 100,602,024.30 and 45,385,223.40 is: 68,077,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,016.20 : 100,602,024.30 = 45,385,223.40 : x
  2. Step 2: Convert to fraction form
    67,068,016.20/100,602,024.30 = 45,385,223.40/x
  3. Step 3: Cross multiply
    67,068,016.20x = 100,602,024.30 × 45,385,223.40
  4. Step 4: Simplify right side
    67,068,016.20x = 4,565,845,347,347,728
  5. Step 5: Solve for x
    x = 4,565,845,347,347,728/67,068,016.20
  6. Step 6: Final answer
    x = 68,077,835.10

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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.