Home / 162,017,020.07-223,584,169.08-87,677,584.12

Finding the Fourth Proportional to 162,017,020.07, 223,584,169.08 and 87,677,584.12

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Solution

The fourth proportional to 162,017,020.07, 223,584,169.08 and 87,677,584.12 is: 120,995,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017,020.07 : 223,584,169.08 = 87,677,584.12 : x
  2. Step 2: Convert to fraction form
    162,017,020.07/223,584,169.08 = 87,677,584.12/x
  3. Step 3: Cross multiply
    162,017,020.07x = 223,584,169.08 × 87,677,584.12
  4. Step 4: Simplify right side
    162,017,020.07x = 19,603,319,791,294,084
  5. Step 5: Solve for x
    x = 19,603,319,791,294,084/162,017,020.07
  6. Step 6: Final answer
    x = 120,995,434.82

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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.