Home / 47,898,978.32-66,100,616.51-25,872,477.62

Finding the Fourth Proportional to 47,898,978.32, 66,100,616.51 and 25,872,477.62

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Solution

The fourth proportional to 47,898,978.32, 66,100,616.51 and 25,872,477.62 is: 35,704,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,898,978.32 : 66,100,616.51 = 25,872,477.62 : x
  2. Step 2: Convert to fraction form
    47,898,978.32/66,100,616.51 = 25,872,477.62/x
  3. Step 3: Cross multiply
    47,898,978.32x = 66,100,616.51 × 25,872,477.62
  4. Step 4: Simplify right side
    47,898,978.32x = 1,710,186,720,863,312
  5. Step 5: Solve for x
    x = 1,710,186,720,863,312/47,898,978.32
  6. Step 6: Final answer
    x = 35,704,033.38

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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.