Home / 42,616,793.40-63,851,706.90-19,850,998.20

Finding the Fourth Proportional to 42,616,793.40, 63,851,706.90 and 19,850,998.20

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Solution

The fourth proportional to 42,616,793.40, 63,851,706.90 and 19,850,998.20 is: 29,742,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616,793.40 : 63,851,706.90 = 19,850,998.20 : x
  2. Step 2: Convert to fraction form
    42,616,793.40/63,851,706.90 = 19,850,998.20/x
  3. Step 3: Cross multiply
    42,616,793.40x = 63,851,706.90 × 19,850,998.20
  4. Step 4: Simplify right side
    42,616,793.40x = 1,267,520,118,738,827.50
  5. Step 5: Solve for x
    x = 1,267,520,118,738,827.50/42,616,793.40
  6. Step 6: Final answer
    x = 29,742,268.66

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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.