Home / 152,259,674.37-210,112,913.64-86,178,753.43

Finding the Fourth Proportional to 152,259,674.37, 210,112,913.64 and 86,178,753.43

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Solution

The fourth proportional to 152,259,674.37, 210,112,913.64 and 86,178,753.43 is: 118,923,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,259,674.37 : 210,112,913.64 = 86,178,753.43 : x
  2. Step 2: Convert to fraction form
    152,259,674.37/210,112,913.64 = 86,178,753.43/x
  3. Step 3: Cross multiply
    152,259,674.37x = 210,112,913.64 × 86,178,753.43
  4. Step 4: Simplify right side
    152,259,674.37x = 18,107,268,976,354,008
  5. Step 5: Solve for x
    x = 18,107,268,976,354,008/152,259,674.37
  6. Step 6: Final answer
    x = 118,923,602.40

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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.