Home / 63,909,005.40-95,863,508.10-20,779,615.80

Finding the Fourth Proportional to 63,909,005.40, 95,863,508.10 and 20,779,615.80

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Solution

The fourth proportional to 63,909,005.40, 95,863,508.10 and 20,779,615.80 is: 31,169,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909,005.40 : 95,863,508.10 = 20,779,615.80 : x
  2. Step 2: Convert to fraction form
    63,909,005.40/95,863,508.10 = 20,779,615.80/x
  3. Step 3: Cross multiply
    63,909,005.40x = 95,863,508.10 × 20,779,615.80
  4. Step 4: Simplify right side
    63,909,005.40x = 1,992,006,867,558,188
  5. Step 5: Solve for x
    x = 1,992,006,867,558,188/63,909,005.40
  6. Step 6: Final answer
    x = 31,169,423.70

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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.