Home / 63,909,806.40-95,864,709.60-53,706,139.20

Finding the Fourth Proportional to 63,909,806.40, 95,864,709.60 and 53,706,139.20

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Solution

The fourth proportional to 63,909,806.40, 95,864,709.60 and 53,706,139.20 is: 80,559,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909,806.40 : 95,864,709.60 = 53,706,139.20 : x
  2. Step 2: Convert to fraction form
    63,909,806.40/95,864,709.60 = 53,706,139.20/x
  3. Step 3: Cross multiply
    63,909,806.40x = 95,864,709.60 × 53,706,139.20
  4. Step 4: Simplify right side
    63,909,806.40x = 5,148,523,438,145,176
  5. Step 5: Solve for x
    x = 5,148,523,438,145,176/63,909,806.40
  6. Step 6: Final answer
    x = 80,559,208.80

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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.