Home / 103,593,631.72-142,962,595.34-56,553,213.44

Finding the Fourth Proportional to 103,593,631.72, 142,962,595.34 and 56,553,213.44

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Solution

The fourth proportional to 103,593,631.72, 142,962,595.34 and 56,553,213.44 is: 78,045,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,593,631.72 : 142,962,595.34 = 56,553,213.44 : x
  2. Step 2: Convert to fraction form
    103,593,631.72/142,962,595.34 = 56,553,213.44/x
  3. Step 3: Cross multiply
    103,593,631.72x = 142,962,595.34 × 56,553,213.44
  4. Step 4: Simplify right side
    103,593,631.72x = 8,084,994,168,199,369
  5. Step 5: Solve for x
    x = 8,084,994,168,199,369/103,593,631.72
  6. Step 6: Final answer
    x = 78,045,281.68

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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.