Home / 42,836,050.11-64,252,848.90-12,130,556.85

Finding the Fourth Proportional to 42,836,050.11, 64,252,848.90 and 12,130,556.85

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Solution

The fourth proportional to 42,836,050.11, 64,252,848.90 and 12,130,556.85 is: 18,195,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836,050.11 : 64,252,848.90 = 12,130,556.85 : x
  2. Step 2: Convert to fraction form
    42,836,050.11/64,252,848.90 = 12,130,556.85/x
  3. Step 3: Cross multiply
    42,836,050.11x = 64,252,848.90 × 12,130,556.85
  4. Step 4: Simplify right side
    42,836,050.11x = 779,422,836,355,909.88
  5. Step 5: Solve for x
    x = 779,422,836,355,909.88/42,836,050.11
  6. Step 6: Final answer
    x = 18,195,488.01

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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.