Home / 124,560,400.80-186,840,601.20-117,506,013.60

Finding the Fourth Proportional to 124,560,400.80, 186,840,601.20 and 117,506,013.60

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Solution

The fourth proportional to 124,560,400.80, 186,840,601.20 and 117,506,013.60 is: 176,259,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,560,400.80 : 186,840,601.20 = 117,506,013.60 : x
  2. Step 2: Convert to fraction form
    124,560,400.80/186,840,601.20 = 117,506,013.60/x
  3. Step 3: Cross multiply
    124,560,400.80x = 186,840,601.20 × 117,506,013.60
  4. Step 4: Simplify right side
    124,560,400.80x = 21,954,894,225,639,372
  5. Step 5: Solve for x
    x = 21,954,894,225,639,372/124,560,400.80
  6. Step 6: Final answer
    x = 176,259,020.40

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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.