Home / 98,668,832.11-136,159,918.59-56,852,983.87

Finding the Fourth Proportional to 98,668,832.11, 136,159,918.59 and 56,852,983.87

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Solution

The fourth proportional to 98,668,832.11, 136,159,918.59 and 56,852,983.87 is: 78,455,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,832.11 : 136,159,918.59 = 56,852,983.87 : x
  2. Step 2: Convert to fraction form
    98,668,832.11/136,159,918.59 = 56,852,983.87/x
  3. Step 3: Cross multiply
    98,668,832.11x = 136,159,918.59 × 56,852,983.87
  4. Step 4: Simplify right side
    98,668,832.11x = 7,741,097,655,337,783
  5. Step 5: Solve for x
    x = 7,741,097,655,337,783/98,668,832.11
  6. Step 6: Final answer
    x = 78,455,348.97

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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.