Home / 142,526,806.40-213,703,604.40-56,165,675.60

Finding the Fourth Proportional to 142,526,806.40, 213,703,604.40 and 56,165,675.60

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Solution

The fourth proportional to 142,526,806.40, 213,703,604.40 and 56,165,675.60 is: 84,214,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,526,806.40 : 213,703,604.40 = 56,165,675.60 : x
  2. Step 2: Convert to fraction form
    142,526,806.40/213,703,604.40 = 56,165,675.60/x
  3. Step 3: Cross multiply
    142,526,806.40x = 213,703,604.40 × 56,165,675.60
  4. Step 4: Simplify right side
    142,526,806.40x = 12,002,807,319,281,134
  5. Step 5: Solve for x
    x = 12,002,807,319,281,134/142,526,806.40
  6. Step 6: Final answer
    x = 84,214,384.81

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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.