Home / 56,165,439.10-78,858,362.90-56,165,439.10

Finding the Fourth Proportional to 56,165,439.10, 78,858,362.90 and 56,165,439.10

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Solution

The fourth proportional to 56,165,439.10, 78,858,362.90 and 56,165,439.10 is: 78,858,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,439.10 : 78,858,362.90 = 56,165,439.10 : x
  2. Step 2: Convert to fraction form
    56,165,439.10/78,858,362.90 = 56,165,439.10/x
  3. Step 3: Cross multiply
    56,165,439.10x = 78,858,362.90 × 56,165,439.10
  4. Step 4: Simplify right side
    56,165,439.10x = 4,429,114,578,985,650
  5. Step 5: Solve for x
    x = 4,429,114,578,985,650/56,165,439.10
  6. Step 6: Final answer
    x = 78,858,362.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.