Home / 346,665,632.80-520,200,020.40-142,340,346.40

Finding the Fourth Proportional to 346,665,632.80, 520,200,020.40 and 142,340,346.40

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Solution

The fourth proportional to 346,665,632.80, 520,200,020.40 and 142,340,346.40 is: 213,593,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,665,632.80 : 520,200,020.40 = 142,340,346.40 : x
  2. Step 2: Convert to fraction form
    346,665,632.80/520,200,020.40 = 142,340,346.40/x
  3. Step 3: Cross multiply
    346,665,632.80x = 520,200,020.40 × 142,340,346.40
  4. Step 4: Simplify right side
    346,665,632.80x = 74,045,451,101,023,072
  5. Step 5: Solve for x
    x = 74,045,451,101,023,072/346,665,632.80
  6. Step 6: Final answer
    x = 213,593,284.41

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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.