Home / 52,156,903.90-78,245,853.45-18,071,196.70

Finding the Fourth Proportional to 52,156,903.90, 78,245,853.45 and 18,071,196.70

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Solution

The fourth proportional to 52,156,903.90, 78,245,853.45 and 18,071,196.70 is: 27,110,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,903.90 : 78,245,853.45 = 18,071,196.70 : x
  2. Step 2: Convert to fraction form
    52,156,903.90/78,245,853.45 = 18,071,196.70/x
  3. Step 3: Cross multiply
    52,156,903.90x = 78,245,853.45 × 18,071,196.70
  4. Step 4: Simplify right side
    52,156,903.90x = 1,413,996,208,654,323.50
  5. Step 5: Solve for x
    x = 1,413,996,208,654,323.50/52,156,903.90
  6. Step 6: Final answer
    x = 27,110,432.23

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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.