Home / 142,011,945.60-213,017,918.40-116,481,782.40

Finding the Fourth Proportional to 142,011,945.60, 213,017,918.40 and 116,481,782.40

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Solution

The fourth proportional to 142,011,945.60, 213,017,918.40 and 116,481,782.40 is: 174,722,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,011,945.60 : 213,017,918.40 = 116,481,782.40 : x
  2. Step 2: Convert to fraction form
    142,011,945.60/213,017,918.40 = 116,481,782.40/x
  3. Step 3: Cross multiply
    142,011,945.60x = 213,017,918.40 × 116,481,782.40
  4. Step 4: Simplify right side
    142,011,945.60x = 24,812,706,818,369,760
  5. Step 5: Solve for x
    x = 24,812,706,818,369,760/142,011,945.60
  6. Step 6: Final answer
    x = 174,722,673.60

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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.