Home / 56,984,994.78-85,478,148.81-20,596,148.70

Finding the Fourth Proportional to 56,984,994.78, 85,478,148.81 and 20,596,148.70

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Solution

The fourth proportional to 56,984,994.78, 85,478,148.81 and 20,596,148.70 is: 30,894,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,984,994.78 : 85,478,148.81 = 20,596,148.70 : x
  2. Step 2: Convert to fraction form
    56,984,994.78/85,478,148.81 = 20,596,148.70/x
  3. Step 3: Cross multiply
    56,984,994.78x = 85,478,148.81 × 20,596,148.70
  4. Step 4: Simplify right side
    56,984,994.78x = 1,760,520,663,491,488
  5. Step 5: Solve for x
    x = 1,760,520,663,491,488/56,984,994.78
  6. Step 6: Final answer
    x = 30,894,460.38

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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.