Home / 71,009,905.40-106,514,858.10-40,776,817.40

Finding the Fourth Proportional to 71,009,905.40, 106,514,858.10 and 40,776,817.40

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Solution

The fourth proportional to 71,009,905.40, 106,514,858.10 and 40,776,817.40 is: 61,165,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009,905.40 : 106,514,858.10 = 40,776,817.40 : x
  2. Step 2: Convert to fraction form
    71,009,905.40/106,514,858.10 = 40,776,817.40/x
  3. Step 3: Cross multiply
    71,009,905.40x = 106,514,858.10 × 40,776,817.40
  4. Step 4: Simplify right side
    71,009,905.40x = 4,343,336,919,130,610.50
  5. Step 5: Solve for x
    x = 4,343,336,919,130,610.50/71,009,905.40
  6. Step 6: Final answer
    x = 61,165,226.10

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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.