Home / 56,679,867,877.55-78,217,752,830.85-30,959,164,198.94

Finding the Fourth Proportional to 56,679,867,877.55, 78,217,752,830.85 and 30,959,164,198.94

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Solution

The fourth proportional to 56,679,867,877.55, 78,217,752,830.85 and 30,959,164,198.94 is: 42,723,392,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,867,877.55 : 78,217,752,830.85 = 30,959,164,198.94 : x
  2. Step 2: Convert to fraction form
    56,679,867,877.55/78,217,752,830.85 = 30,959,164,198.94/x
  3. Step 3: Cross multiply
    56,679,867,877.55x = 78,217,752,830.85 × 30,959,164,198.94
  4. Step 4: Simplify right side
    56,679,867,877.55x = 2,421,556,253,161,998,516,224
  5. Step 5: Solve for x
    x = 2,421,556,253,161,998,516,224/56,679,867,877.55
  6. Step 6: Final answer
    x = 42,723,392,693.75

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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.