Home / 152,391,468.64-210,304,138.98-82,780,833.28

Finding the Fourth Proportional to 152,391,468.64, 210,304,138.98 and 82,780,833.28

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Solution

The fourth proportional to 152,391,468.64, 210,304,138.98 and 82,780,833.28 is: 114,239,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,391,468.64 : 210,304,138.98 = 82,780,833.28 : x
  2. Step 2: Convert to fraction form
    152,391,468.64/210,304,138.98 = 82,780,833.28/x
  3. Step 3: Cross multiply
    152,391,468.64x = 210,304,138.98 × 82,780,833.28
  4. Step 4: Simplify right side
    152,391,468.64x = 17,409,151,866,997,328
  5. Step 5: Solve for x
    x = 17,409,151,866,997,328/152,391,468.64
  6. Step 6: Final answer
    x = 114,239,675.11

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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.