Home / 103,099,439.11-142,276,225.67-56,056,511.92

Finding the Fourth Proportional to 103,099,439.11, 142,276,225.67 and 56,056,511.92

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Solution

The fourth proportional to 103,099,439.11, 142,276,225.67 and 56,056,511.92 is: 77,357,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,099,439.11 : 142,276,225.67 = 56,056,511.92 : x
  2. Step 2: Convert to fraction form
    103,099,439.11/142,276,225.67 = 56,056,511.92/x
  3. Step 3: Cross multiply
    103,099,439.11x = 142,276,225.67 × 56,056,511.92
  4. Step 4: Simplify right side
    103,099,439.11x = 7,975,508,940,202,965
  5. Step 5: Solve for x
    x = 7,975,508,940,202,965/103,099,439.11
  6. Step 6: Final answer
    x = 77,357,442.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.