Home / 172,758,428.20-237,137,602.70-152,740,817.20

Finding the Fourth Proportional to 172,758,428.20, 237,137,602.70 and 152,740,817.20

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Solution

The fourth proportional to 172,758,428.20, 237,137,602.70 and 152,740,817.20 is: 209,660,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,758,428.20 : 237,137,602.70 = 152,740,817.20 : x
  2. Step 2: Convert to fraction form
    172,758,428.20/237,137,602.70 = 152,740,817.20/x
  3. Step 3: Cross multiply
    172,758,428.20x = 237,137,602.70 × 152,740,817.20
  4. Step 4: Simplify right side
    172,758,428.20x = 36,220,591,225,246,920
  5. Step 5: Solve for x
    x = 36,220,591,225,246,920/172,758,428.20
  6. Step 6: Final answer
    x = 209,660,342.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.