Home / 103,373,599.05-142,656,523.29-56,965,513.68

Finding the Fourth Proportional to 103,373,599.05, 142,656,523.29 and 56,965,513.68

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Solution

The fourth proportional to 103,373,599.05, 142,656,523.29 and 56,965,513.68 is: 78,612,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,599.05 : 142,656,523.29 = 56,965,513.68 : x
  2. Step 2: Convert to fraction form
    103,373,599.05/142,656,523.29 = 56,965,513.68/x
  3. Step 3: Cross multiply
    103,373,599.05x = 142,656,523.29 × 56,965,513.68
  4. Step 4: Simplify right side
    103,373,599.05x = 8,126,502,129,017,733
  5. Step 5: Solve for x
    x = 8,126,502,129,017,733/103,373,599.05
  6. Step 6: Final answer
    x = 78,612,936.03

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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.