Home / 42,112,597.90-63,113,859.78-30,480,136.88

Finding the Fourth Proportional to 42,112,597.90, 63,113,859.78 and 30,480,136.88

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Solution

The fourth proportional to 42,112,597.90, 63,113,859.78 and 30,480,136.88 is: 45,680,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112,597.90 : 63,113,859.78 = 30,480,136.88 : x
  2. Step 2: Convert to fraction form
    42,112,597.90/63,113,859.78 = 30,480,136.88/x
  3. Step 3: Cross multiply
    42,112,597.90x = 63,113,859.78 × 30,480,136.88
  4. Step 4: Simplify right side
    42,112,597.90x = 1,923,719,085,119,526.75
  5. Step 5: Solve for x
    x = 1,923,719,085,119,526.75/42,112,597.90
  6. Step 6: Final answer
    x = 45,680,370.75

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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.