Home / 140,953,384.96-211,421,581.04-83,809,305.76

Finding the Fourth Proportional to 140,953,384.96, 211,421,581.04 and 83,809,305.76

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Solution

The fourth proportional to 140,953,384.96, 211,421,581.04 and 83,809,305.76 is: 125,708,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,953,384.96 : 211,421,581.04 = 83,809,305.76 : x
  2. Step 2: Convert to fraction form
    140,953,384.96/211,421,581.04 = 83,809,305.76/x
  3. Step 3: Cross multiply
    140,953,384.96x = 211,421,581.04 × 83,809,305.76
  4. Step 4: Simplify right side
    140,953,384.96x = 17,719,095,929,643,980
  5. Step 5: Solve for x
    x = 17,719,095,929,643,980/140,953,384.96
  6. Step 6: Final answer
    x = 125,708,906.78

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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.