Home / 71,009,958.40-106,514,937.60-40,776,870.40

Finding the Fourth Proportional to 71,009,958.40, 106,514,937.60 and 40,776,870.40

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Solution

The fourth proportional to 71,009,958.40, 106,514,937.60 and 40,776,870.40 is: 61,165,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009,958.40 : 106,514,937.60 = 40,776,870.40 : x
  2. Step 2: Convert to fraction form
    71,009,958.40/106,514,937.60 = 40,776,870.40/x
  3. Step 3: Cross multiply
    71,009,958.40x = 106,514,937.60 × 40,776,870.40
  4. Step 4: Simplify right side
    71,009,958.40x = 4,343,345,806,179,286.50
  5. Step 5: Solve for x
    x = 4,343,345,806,179,286.50/71,009,958.40
  6. Step 6: Final answer
    x = 61,165,305.60

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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.