Home / 42,646,564.80-63,969,847.20-34,993,814.40

Finding the Fourth Proportional to 42,646,564.80, 63,969,847.20 and 34,993,814.40

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Solution

The fourth proportional to 42,646,564.80, 63,969,847.20 and 34,993,814.40 is: 52,490,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,564.80 : 63,969,847.20 = 34,993,814.40 : x
  2. Step 2: Convert to fraction form
    42,646,564.80/63,969,847.20 = 34,993,814.40/x
  3. Step 3: Cross multiply
    42,646,564.80x = 63,969,847.20 × 34,993,814.40
  4. Step 4: Simplify right side
    42,646,564.80x = 2,238,548,960,113,159.75
  5. Step 5: Solve for x
    x = 2,238,548,960,113,159.75/42,646,564.80
  6. Step 6: Final answer
    x = 52,490,721.60

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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.