Home / 103,461,800.79-142,723,857.54-64,288,694.19

Finding the Fourth Proportional to 103,461,800.79, 142,723,857.54 and 64,288,694.19

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Solution

The fourth proportional to 103,461,800.79, 142,723,857.54 and 64,288,694.19 is: 88,685,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,461,800.79 : 142,723,857.54 = 64,288,694.19 : x
  2. Step 2: Convert to fraction form
    103,461,800.79/142,723,857.54 = 64,288,694.19/x
  3. Step 3: Cross multiply
    103,461,800.79x = 142,723,857.54 × 64,288,694.19
  4. Step 4: Simplify right side
    103,461,800.79x = 9,175,530,431,006,184
  5. Step 5: Solve for x
    x = 9,175,530,431,006,184/103,461,800.79
  6. Step 6: Final answer
    x = 88,685,199.38

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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.