Home / 152,455,814.64-210,390,356.16-82,841,194.08

Finding the Fourth Proportional to 152,455,814.64, 210,390,356.16 and 82,841,194.08

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Solution

The fourth proportional to 152,455,814.64, 210,390,356.16 and 82,841,194.08 is: 114,321,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,455,814.64 : 210,390,356.16 = 82,841,194.08 : x
  2. Step 2: Convert to fraction form
    152,455,814.64/210,390,356.16 = 82,841,194.08/x
  3. Step 3: Cross multiply
    152,455,814.64x = 210,390,356.16 × 82,841,194.08
  4. Step 4: Simplify right side
    152,455,814.64x = 17,428,988,327,210,882
  5. Step 5: Solve for x
    x = 17,428,988,327,210,882/152,455,814.64
  6. Step 6: Final answer
    x = 114,321,571.59

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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.