Home / 134,136,642.60-200,956,958.10-76,457,579.40

Finding the Fourth Proportional to 134,136,642.60, 200,956,958.10 and 76,457,579.40

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Solution

The fourth proportional to 134,136,642.60, 200,956,958.10 and 76,457,579.40 is: 114,545,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,642.60 : 200,956,958.10 = 76,457,579.40 : x
  2. Step 2: Convert to fraction form
    134,136,642.60/200,956,958.10 = 76,457,579.40/x
  3. Step 3: Cross multiply
    134,136,642.60x = 200,956,958.10 × 76,457,579.40
  4. Step 4: Simplify right side
    134,136,642.60x = 15,364,682,579,913,224
  5. Step 5: Solve for x
    x = 15,364,682,579,913,224/134,136,642.60
  6. Step 6: Final answer
    x = 114,545,006.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.