Home / 152,710,692-210,738,983.49-83,094,873.45

Finding the Fourth Proportional to 152,710,692, 210,738,983.49 and 83,094,873.45

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Solution

The fourth proportional to 152,710,692, 210,738,983.49 and 83,094,873.45 is: 114,669,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,692 : 210,738,983.49 = 83,094,873.45 : x
  2. Step 2: Convert to fraction form
    152,710,692/210,738,983.49 = 83,094,873.45/x
  3. Step 3: Cross multiply
    152,710,692x = 210,738,983.49 × 83,094,873.45
  4. Step 4: Simplify right side
    152,710,692x = 17,511,329,164,083,190
  5. Step 5: Solve for x
    x = 17,511,329,164,083,190/152,710,692
  6. Step 6: Final answer
    x = 114,669,961.45

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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.