Home / 129,870,318.04-195,116,254.82-83,275,094.34

Finding the Fourth Proportional to 129,870,318.04, 195,116,254.82 and 83,275,094.34

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Solution

The fourth proportional to 129,870,318.04, 195,116,254.82 and 83,275,094.34 is: 125,111,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870,318.04 : 195,116,254.82 = 83,275,094.34 : x
  2. Step 2: Convert to fraction form
    129,870,318.04/195,116,254.82 = 83,275,094.34/x
  3. Step 3: Cross multiply
    129,870,318.04x = 195,116,254.82 × 83,275,094.34
  4. Step 4: Simplify right side
    129,870,318.04x = 16,248,324,527,402,980
  5. Step 5: Solve for x
    x = 16,248,324,527,402,980/129,870,318.04
  6. Step 6: Final answer
    x = 125,111,917.59

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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.