Home / 140,106,142.92-209,976,900.60-57,011,036.92

Finding the Fourth Proportional to 140,106,142.92, 209,976,900.60 and 57,011,036.92

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Solution

The fourth proportional to 140,106,142.92, 209,976,900.60 and 57,011,036.92 is: 85,442,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,106,142.92 : 209,976,900.60 = 57,011,036.92 : x
  2. Step 2: Convert to fraction form
    140,106,142.92/209,976,900.60 = 57,011,036.92/x
  3. Step 3: Cross multiply
    140,106,142.92x = 209,976,900.60 × 57,011,036.92
  4. Step 4: Simplify right side
    140,106,142.92x = 11,971,000,832,453,770
  5. Step 5: Solve for x
    x = 11,971,000,832,453,770/140,106,142.92
  6. Step 6: Final answer
    x = 85,442,369.50

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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.