Home / 30,445,013.05-45,677,671.35-20,250,064.69

Finding the Fourth Proportional to 30,445,013.05, 45,677,671.35 and 20,250,064.69

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Solution

The fourth proportional to 30,445,013.05, 45,677,671.35 and 20,250,064.69 is: 30,381,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445,013.05 : 45,677,671.35 = 20,250,064.69 : x
  2. Step 2: Convert to fraction form
    30,445,013.05/45,677,671.35 = 20,250,064.69/x
  3. Step 3: Cross multiply
    30,445,013.05x = 45,677,671.35 × 20,250,064.69
  4. Step 4: Simplify right side
    30,445,013.05x = 924,975,799,726,059.75
  5. Step 5: Solve for x
    x = 924,975,799,726,059.75/30,445,013.05
  6. Step 6: Final answer
    x = 30,381,849.34

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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.