Home / 146,217,329,383.14-219,102,315,210.72-78,158,072,938.14

Finding the Fourth Proportional to 146,217,329,383.14, 219,102,315,210.72 and 78,158,072,938.14

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Solution

The fourth proportional to 146,217,329,383.14, 219,102,315,210.72 and 78,158,072,938.14 is: 117,117,545,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,217,329,383.14 : 219,102,315,210.72 = 78,158,072,938.14 : x
  2. Step 2: Convert to fraction form
    146,217,329,383.14/219,102,315,210.72 = 78,158,072,938.14/x
  3. Step 3: Cross multiply
    146,217,329,383.14x = 219,102,315,210.72 × 78,158,072,938.14
  4. Step 4: Simplify right side
    146,217,329,383.14x = 17,124,614,733,154,794,602,496
  5. Step 5: Solve for x
    x = 17,124,614,733,154,794,602,496/146,217,329,383.14
  6. Step 6: Final answer
    x = 117,117,545,542.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.