Home / 160,397,138.94-221,348,476.89-87,058,280.94

Finding the Fourth Proportional to 160,397,138.94, 221,348,476.89 and 87,058,280.94

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Solution

The fourth proportional to 160,397,138.94, 221,348,476.89 and 87,058,280.94 is: 120,140,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,397,138.94 : 221,348,476.89 = 87,058,280.94 : x
  2. Step 2: Convert to fraction form
    160,397,138.94/221,348,476.89 = 87,058,280.94/x
  3. Step 3: Cross multiply
    160,397,138.94x = 221,348,476.89 × 87,058,280.94
  4. Step 4: Simplify right side
    160,397,138.94x = 19,270,217,886,730,716
  5. Step 5: Solve for x
    x = 19,270,217,886,730,716/160,397,138.94
  6. Step 6: Final answer
    x = 120,140,658.46

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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.