Home / 150,005,902,310.14-207,008,298,392.67-81,417,329,567.48

Finding the Fourth Proportional to 150,005,902,310.14, 207,008,298,392.67 and 81,417,329,567.48

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Solution

The fourth proportional to 150,005,902,310.14, 207,008,298,392.67 and 81,417,329,567.48 is: 112,355,997,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,005,902,310.14 : 207,008,298,392.67 = 81,417,329,567.48 : x
  2. Step 2: Convert to fraction form
    150,005,902,310.14/207,008,298,392.67 = 81,417,329,567.48/x
  3. Step 3: Cross multiply
    150,005,902,310.14x = 207,008,298,392.67 × 81,417,329,567.48
  4. Step 4: Simplify right side
    150,005,902,310.14x = 16,854,062,853,439,254,167,552
  5. Step 5: Solve for x
    x = 16,854,062,853,439,254,167,552/150,005,902,310.14
  6. Step 6: Final answer
    x = 112,355,997,956.62

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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.