Home / 78,163,292,529.30-116,718,585,967.13-63,833,428,115.73

Finding the Fourth Proportional to 78,163,292,529.30, 116,718,585,967.13 and 63,833,428,115.73

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Solution

The fourth proportional to 78,163,292,529.30, 116,718,585,967.13 and 63,833,428,115.73 is: 95,320,286,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,163,292,529.30 : 116,718,585,967.13 = 63,833,428,115.73 : x
  2. Step 2: Convert to fraction form
    78,163,292,529.30/116,718,585,967.13 = 63,833,428,115.73/x
  3. Step 3: Cross multiply
    78,163,292,529.30x = 116,718,585,967.13 × 63,833,428,115.73
  4. Step 4: Simplify right side
    78,163,292,529.30x = 7,450,547,467,101,861,314,560
  5. Step 5: Solve for x
    x = 7,450,547,467,101,861,314,560/78,163,292,529.30
  6. Step 6: Final answer
    x = 95,320,286,876.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.