Home / 131,868,518.06-197,820,966.69-76,562,399.34

Finding the Fourth Proportional to 131,868,518.06, 197,820,966.69 and 76,562,399.34

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Solution

The fourth proportional to 131,868,518.06, 197,820,966.69 and 76,562,399.34 is: 114,854,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,518.06 : 197,820,966.69 = 76,562,399.34 : x
  2. Step 2: Convert to fraction form
    131,868,518.06/197,820,966.69 = 76,562,399.34/x
  3. Step 3: Cross multiply
    131,868,518.06x = 197,820,966.69 × 76,562,399.34
  4. Step 4: Simplify right side
    131,868,518.06x = 15,145,647,849,544,618
  5. Step 5: Solve for x
    x = 15,145,647,849,544,618/131,868,518.06
  6. Step 6: Final answer
    x = 114,854,159.83

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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.