Home / 43,152,005.80-64,728,008.70-39,456,850.60

Finding the Fourth Proportional to 43,152,005.80, 64,728,008.70 and 39,456,850.60

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Solution

The fourth proportional to 43,152,005.80, 64,728,008.70 and 39,456,850.60 is: 59,185,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152,005.80 : 64,728,008.70 = 39,456,850.60 : x
  2. Step 2: Convert to fraction form
    43,152,005.80/64,728,008.70 = 39,456,850.60/x
  3. Step 3: Cross multiply
    43,152,005.80x = 64,728,008.70 × 39,456,850.60
  4. Step 4: Simplify right side
    43,152,005.80x = 2,553,963,368,911,400.50
  5. Step 5: Solve for x
    x = 2,553,963,368,911,400.50/43,152,005.80
  6. Step 6: Final answer
    x = 59,185,275.90

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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.