Home / 56,679,867,898.10-78,217,752,859.50-30,959,164,219.65

Finding the Fourth Proportional to 56,679,867,898.10, 78,217,752,859.50 and 30,959,164,219.65

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Solution

The fourth proportional to 56,679,867,898.10, 78,217,752,859.50 and 30,959,164,219.65 is: 42,723,392,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,867,898.10 : 78,217,752,859.50 = 30,959,164,219.65 : x
  2. Step 2: Convert to fraction form
    56,679,867,898.10/78,217,752,859.50 = 30,959,164,219.65/x
  3. Step 3: Cross multiply
    56,679,867,898.10x = 78,217,752,859.50 × 30,959,164,219.65
  4. Step 4: Simplify right side
    56,679,867,898.10x = 2,421,556,255,669,259,075,584
  5. Step 5: Solve for x
    x = 2,421,556,255,669,259,075,584/56,679,867,898.10
  6. Step 6: Final answer
    x = 42,723,392,722.49

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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.