Home / 142,436,425.80-213,654,638.70-51,527,209.80

Finding the Fourth Proportional to 142,436,425.80, 213,654,638.70 and 51,527,209.80

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Solution

The fourth proportional to 142,436,425.80, 213,654,638.70 and 51,527,209.80 is: 77,290,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,436,425.80 : 213,654,638.70 = 51,527,209.80 : x
  2. Step 2: Convert to fraction form
    142,436,425.80/213,654,638.70 = 51,527,209.80/x
  3. Step 3: Cross multiply
    142,436,425.80x = 213,654,638.70 × 51,527,209.80
  4. Step 4: Simplify right side
    142,436,425.80x = 11,009,027,393,038,098
  5. Step 5: Solve for x
    x = 11,009,027,393,038,098/142,436,425.80
  6. Step 6: Final answer
    x = 77,290,814.70

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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.