Home / 71,010,001.40-106,515,002.10-40,776,913.40

Finding the Fourth Proportional to 71,010,001.40, 106,515,002.10 and 40,776,913.40

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Solution

The fourth proportional to 71,010,001.40, 106,515,002.10 and 40,776,913.40 is: 61,165,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010,001.40 : 106,515,002.10 = 40,776,913.40 : x
  2. Step 2: Convert to fraction form
    71,010,001.40/106,515,002.10 = 40,776,913.40/x
  3. Step 3: Cross multiply
    71,010,001.40x = 106,515,002.10 × 40,776,913.40
  4. Step 4: Simplify right side
    71,010,001.40x = 4,343,353,016,432,517.50
  5. Step 5: Solve for x
    x = 4,343,353,016,432,517.50/71,010,001.40
  6. Step 6: Final answer
    x = 61,165,370.10

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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.