Home / 85,978,435.50-118,650,248.49-46,820,200.50

Finding the Fourth Proportional to 85,978,435.50, 118,650,248.49 and 46,820,200.50

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Solution

The fourth proportional to 85,978,435.50, 118,650,248.49 and 46,820,200.50 is: 64,611,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,978,435.50 : 118,650,248.49 = 46,820,200.50 : x
  2. Step 2: Convert to fraction form
    85,978,435.50/118,650,248.49 = 46,820,200.50/x
  3. Step 3: Cross multiply
    85,978,435.50x = 118,650,248.49 × 46,820,200.50
  4. Step 4: Simplify right side
    85,978,435.50x = 5,555,228,423,676,622
  5. Step 5: Solve for x
    x = 5,555,228,423,676,622/85,978,435.50
  6. Step 6: Final answer
    x = 64,611,880.77

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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.