Home / 42,462,080.80-63,693,121.20-25,413,978.40

Finding the Fourth Proportional to 42,462,080.80, 63,693,121.20 and 25,413,978.40

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Solution

The fourth proportional to 42,462,080.80, 63,693,121.20 and 25,413,978.40 is: 38,120,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462,080.80 : 63,693,121.20 = 25,413,978.40 : x
  2. Step 2: Convert to fraction form
    42,462,080.80/63,693,121.20 = 25,413,978.40/x
  3. Step 3: Cross multiply
    42,462,080.80x = 63,693,121.20 × 25,413,978.40
  4. Step 4: Simplify right side
    42,462,080.80x = 1,618,695,606,405,382
  5. Step 5: Solve for x
    x = 1,618,695,606,405,382/42,462,080.80
  6. Step 6: Final answer
    x = 38,120,967.60

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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.