Home / 291,600,600.30-437,463,886.05-87,149,342.70

Finding the Fourth Proportional to 291,600,600.30, 437,463,886.05 and 87,149,342.70

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Solution

The fourth proportional to 291,600,600.30, 437,463,886.05 and 87,149,342.70 is: 130,742,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,600,600.30 : 437,463,886.05 = 87,149,342.70 : x
  2. Step 2: Convert to fraction form
    291,600,600.30/437,463,886.05 = 87,149,342.70/x
  3. Step 3: Cross multiply
    291,600,600.30x = 437,463,886.05 × 87,149,342.70
  4. Step 4: Simplify right side
    291,600,600.30x = 38,124,690,124,245,200
  5. Step 5: Solve for x
    x = 38,124,690,124,245,200/291,600,600.30
  6. Step 6: Final answer
    x = 130,742,838.27

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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.