Home / 103,282,175.88-142,529,402.52-56,872,319.40

Finding the Fourth Proportional to 103,282,175.88, 142,529,402.52 and 56,872,319.40

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Solution

The fourth proportional to 103,282,175.88, 142,529,402.52 and 56,872,319.40 is: 78,483,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,282,175.88 : 142,529,402.52 = 56,872,319.40 : x
  2. Step 2: Convert to fraction form
    103,282,175.88/142,529,402.52 = 56,872,319.40/x
  3. Step 3: Cross multiply
    103,282,175.88x = 142,529,402.52 × 56,872,319.40
  4. Step 4: Simplify right side
    103,282,175.88x = 8,105,977,704,008,605
  5. Step 5: Solve for x
    x = 8,105,977,704,008,605/103,282,175.88
  6. Step 6: Final answer
    x = 78,483,800.66

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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.