Home / 65,241,636.89-90,031,154.24-35,872,763.81

Finding the Fourth Proportional to 65,241,636.89, 90,031,154.24 and 35,872,763.81

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Solution

The fourth proportional to 65,241,636.89, 90,031,154.24 and 35,872,763.81 is: 49,503,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241,636.89 : 90,031,154.24 = 35,872,763.81 : x
  2. Step 2: Convert to fraction form
    65,241,636.89/90,031,154.24 = 35,872,763.81/x
  3. Step 3: Cross multiply
    65,241,636.89x = 90,031,154.24 × 35,872,763.81
  4. Step 4: Simplify right side
    65,241,636.89x = 3,229,666,330,963,680.50
  5. Step 5: Solve for x
    x = 3,229,666,330,963,680.50/65,241,636.89
  6. Step 6: Final answer
    x = 49,503,146.84

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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.