Home / 166,680,003.80-250,020,005.70-86,058,435.80

Finding the Fourth Proportional to 166,680,003.80, 250,020,005.70 and 86,058,435.80

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Solution

The fourth proportional to 166,680,003.80, 250,020,005.70 and 86,058,435.80 is: 129,087,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,680,003.80 : 250,020,005.70 = 86,058,435.80 : x
  2. Step 2: Convert to fraction form
    166,680,003.80/250,020,005.70 = 86,058,435.80/x
  3. Step 3: Cross multiply
    166,680,003.80x = 250,020,005.70 × 86,058,435.80
  4. Step 4: Simplify right side
    166,680,003.80x = 21,516,330,609,249,084
  5. Step 5: Solve for x
    x = 21,516,330,609,249,084/166,680,003.80
  6. Step 6: Final answer
    x = 129,087,653.70

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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.