Home / 103,801,758.40-155,702,637.60-60,648,749.20

Finding the Fourth Proportional to 103,801,758.40, 155,702,637.60 and 60,648,749.20

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Solution

The fourth proportional to 103,801,758.40, 155,702,637.60 and 60,648,749.20 is: 90,973,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801,758.40 : 155,702,637.60 = 60,648,749.20 : x
  2. Step 2: Convert to fraction form
    103,801,758.40/155,702,637.60 = 60,648,749.20/x
  3. Step 3: Cross multiply
    103,801,758.40x = 155,702,637.60 × 60,648,749.20
  4. Step 4: Simplify right side
    103,801,758.40x = 9,443,170,217,580,890
  5. Step 5: Solve for x
    x = 9,443,170,217,580,890/103,801,758.40
  6. Step 6: Final answer
    x = 90,973,123.80

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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.