Home / 154,046,890.40-212,584,890.49-83,482,500.24

Finding the Fourth Proportional to 154,046,890.40, 212,584,890.49 and 83,482,500.24

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Solution

The fourth proportional to 154,046,890.40, 212,584,890.49 and 83,482,500.24 is: 115,205,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,046,890.40 : 212,584,890.49 = 83,482,500.24 : x
  2. Step 2: Convert to fraction form
    154,046,890.40/212,584,890.49 = 83,482,500.24/x
  3. Step 3: Cross multiply
    154,046,890.40x = 212,584,890.49 × 83,482,500.24
  4. Step 4: Simplify right side
    154,046,890.40x = 17,747,118,171,740,456
  5. Step 5: Solve for x
    x = 17,747,118,171,740,456/154,046,890.40
  6. Step 6: Final answer
    x = 115,205,948.82

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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.