Home / 42,203,740.80-63,289,864.80-16,639,460.40

Finding the Fourth Proportional to 42,203,740.80, 63,289,864.80 and 16,639,460.40

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Solution

The fourth proportional to 42,203,740.80, 63,289,864.80 and 16,639,460.40 is: 24,952,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,740.80 : 63,289,864.80 = 16,639,460.40 : x
  2. Step 2: Convert to fraction form
    42,203,740.80/63,289,864.80 = 16,639,460.40/x
  3. Step 3: Cross multiply
    42,203,740.80x = 63,289,864.80 × 16,639,460.40
  4. Step 4: Simplify right side
    42,203,740.80x = 1,053,109,199,060,953.88
  5. Step 5: Solve for x
    x = 1,053,109,199,060,953.88/42,203,740.80
  6. Step 6: Final answer
    x = 24,952,982.34

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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.