Home / 116,992,638.77-161,618,011.49-93,440,253.17

Finding the Fourth Proportional to 116,992,638.77, 161,618,011.49 and 93,440,253.17

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Solution

The fourth proportional to 116,992,638.77, 161,618,011.49 and 93,440,253.17 is: 129,081,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,992,638.77 : 161,618,011.49 = 93,440,253.17 : x
  2. Step 2: Convert to fraction form
    116,992,638.77/161,618,011.49 = 93,440,253.17/x
  3. Step 3: Cross multiply
    116,992,638.77x = 161,618,011.49 × 93,440,253.17
  4. Step 4: Simplify right side
    116,992,638.77x = 15,101,627,911,095,216
  5. Step 5: Solve for x
    x = 15,101,627,911,095,216/116,992,638.77
  6. Step 6: Final answer
    x = 129,081,864.21

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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.