Home / 65,241,637.63-90,031,155.28-35,872,764.55

Finding the Fourth Proportional to 65,241,637.63, 90,031,155.28 and 35,872,764.55

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Solution

The fourth proportional to 65,241,637.63, 90,031,155.28 and 35,872,764.55 is: 49,503,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241,637.63 : 90,031,155.28 = 35,872,764.55 : x
  2. Step 2: Convert to fraction form
    65,241,637.63/90,031,155.28 = 35,872,764.55/x
  3. Step 3: Cross multiply
    65,241,637.63x = 90,031,155.28 × 35,872,764.55
  4. Step 4: Simplify right side
    65,241,637.63x = 3,229,666,435,209,169.50
  5. Step 5: Solve for x
    x = 3,229,666,435,209,169.50/65,241,637.63
  6. Step 6: Final answer
    x = 49,503,147.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.