Home / 103,373,622.10-142,656,555.21-56,965,536.82

Finding the Fourth Proportional to 103,373,622.10, 142,656,555.21 and 56,965,536.82

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Solution

The fourth proportional to 103,373,622.10, 142,656,555.21 and 56,965,536.82 is: 78,612,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,622.10 : 142,656,555.21 = 56,965,536.82 : x
  2. Step 2: Convert to fraction form
    103,373,622.10/142,656,555.21 = 56,965,536.82/x
  3. Step 3: Cross multiply
    103,373,622.10x = 142,656,555.21 × 56,965,536.82
  4. Step 4: Simplify right side
    103,373,622.10x = 8,126,507,248,429,618
  5. Step 5: Solve for x
    x = 8,126,507,248,429,618/103,373,622.10
  6. Step 6: Final answer
    x = 78,612,968.02

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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.