Home / 56,047,504.20-84,071,256.30-40,742,003.40

Finding the Fourth Proportional to 56,047,504.20, 84,071,256.30 and 40,742,003.40

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Solution

The fourth proportional to 56,047,504.20, 84,071,256.30 and 40,742,003.40 is: 61,113,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,047,504.20 : 84,071,256.30 = 40,742,003.40 : x
  2. Step 2: Convert to fraction form
    56,047,504.20/84,071,256.30 = 40,742,003.40/x
  3. Step 3: Cross multiply
    56,047,504.20x = 84,071,256.30 × 40,742,003.40
  4. Step 4: Simplify right side
    56,047,504.20x = 3,425,231,410,016,871
  5. Step 5: Solve for x
    x = 3,425,231,410,016,871/56,047,504.20
  6. Step 6: Final answer
    x = 61,113,005.10

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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.