Home / 103,136,944.32-142,331,675.76-56,728,415.88

Finding the Fourth Proportional to 103,136,944.32, 142,331,675.76 and 56,728,415.88

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Solution

The fourth proportional to 103,136,944.32, 142,331,675.76 and 56,728,415.88 is: 78,286,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,136,944.32 : 142,331,675.76 = 56,728,415.88 : x
  2. Step 2: Convert to fraction form
    103,136,944.32/142,331,675.76 = 56,728,415.88/x
  3. Step 3: Cross multiply
    103,136,944.32x = 142,331,675.76 × 56,728,415.88
  4. Step 4: Simplify right side
    103,136,944.32x = 8,074,250,495,410,595
  5. Step 5: Solve for x
    x = 8,074,250,495,410,595/103,136,944.32
  6. Step 6: Final answer
    x = 78,286,694.92

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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.