Home / 142,176,022.40-213,264,033.60-117,942,312.80

Finding the Fourth Proportional to 142,176,022.40, 213,264,033.60 and 117,942,312.80

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Solution

The fourth proportional to 142,176,022.40, 213,264,033.60 and 117,942,312.80 is: 176,913,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,176,022.40 : 213,264,033.60 = 117,942,312.80 : x
  2. Step 2: Convert to fraction form
    142,176,022.40/213,264,033.60 = 117,942,312.80/x
  3. Step 3: Cross multiply
    142,176,022.40x = 213,264,033.60 × 117,942,312.80
  4. Step 4: Simplify right side
    142,176,022.40x = 25,152,853,359,840,908
  5. Step 5: Solve for x
    x = 25,152,853,359,840,908/142,176,022.40
  6. Step 6: Final answer
    x = 176,913,469.20

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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.