Home / 152,710,691-210,738,982.11-83,094,872.45

Finding the Fourth Proportional to 152,710,691, 210,738,982.11 and 83,094,872.45

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Solution

The fourth proportional to 152,710,691, 210,738,982.11 and 83,094,872.45 is: 114,669,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,691 : 210,738,982.11 = 83,094,872.45 : x
  2. Step 2: Convert to fraction form
    152,710,691/210,738,982.11 = 83,094,872.45/x
  3. Step 3: Cross multiply
    152,710,691x = 210,738,982.11 × 83,094,872.45
  4. Step 4: Simplify right side
    152,710,691x = 17,511,328,838,673,284
  5. Step 5: Solve for x
    x = 17,511,328,838,673,284/152,710,691
  6. Step 6: Final answer
    x = 114,669,960.07

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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.