Home / 163,123,234.80-244,968,287.40-86,595,730.80

Finding the Fourth Proportional to 163,123,234.80, 244,968,287.40 and 86,595,730.80

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Solution

The fourth proportional to 163,123,234.80, 244,968,287.40 and 86,595,730.80 is: 130,044,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,123,234.80 : 244,968,287.40 = 86,595,730.80 : x
  2. Step 2: Convert to fraction form
    163,123,234.80/244,968,287.40 = 86,595,730.80/x
  3. Step 3: Cross multiply
    163,123,234.80x = 244,968,287.40 × 86,595,730.80
  4. Step 4: Simplify right side
    163,123,234.80x = 21,213,207,870,227,432
  5. Step 5: Solve for x
    x = 21,213,207,870,227,432/163,123,234.80
  6. Step 6: Final answer
    x = 130,044,060.84

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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.