Home / 68,574,503.74-102,890,578.86-42,688,467.82

Finding the Fourth Proportional to 68,574,503.74, 102,890,578.86 and 42,688,467.82

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Solution

The fourth proportional to 68,574,503.74, 102,890,578.86 and 42,688,467.82 is: 64,050,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574,503.74 : 102,890,578.86 = 42,688,467.82 : x
  2. Step 2: Convert to fraction form
    68,574,503.74/102,890,578.86 = 42,688,467.82/x
  3. Step 3: Cross multiply
    68,574,503.74x = 102,890,578.86 × 42,688,467.82
  4. Step 4: Simplify right side
    68,574,503.74x = 4,392,241,164,646,282.50
  5. Step 5: Solve for x
    x = 4,392,241,164,646,282.50/68,574,503.74
  6. Step 6: Final answer
    x = 64,050,644.56

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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.