Home / 152,502,145.20-210,455,091-82,887,505.20

Finding the Fourth Proportional to 152,502,145.20, 210,455,091 and 82,887,505.20

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Solution

The fourth proportional to 152,502,145.20, 210,455,091 and 82,887,505.20 is: 114,385,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,502,145.20 : 210,455,091 = 82,887,505.20 : x
  2. Step 2: Convert to fraction form
    152,502,145.20/210,455,091 = 82,887,505.20/x
  3. Step 3: Cross multiply
    152,502,145.20x = 210,455,091 × 82,887,505.20
  4. Step 4: Simplify right side
    152,502,145.20x = 17,444,097,449,628,974
  5. Step 5: Solve for x
    x = 17,444,097,449,628,974/152,502,145.20
  6. Step 6: Final answer
    x = 114,385,915.21

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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.