Home / 209,957,244.60-314,935,866.90-66,350,076.60

Finding the Fourth Proportional to 209,957,244.60, 314,935,866.90 and 66,350,076.60

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Solution

The fourth proportional to 209,957,244.60, 314,935,866.90 and 66,350,076.60 is: 99,525,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,244.60 : 314,935,866.90 = 66,350,076.60 : x
  2. Step 2: Convert to fraction form
    209,957,244.60/314,935,866.90 = 66,350,076.60/x
  3. Step 3: Cross multiply
    209,957,244.60x = 314,935,866.90 × 66,350,076.60
  4. Step 4: Simplify right side
    209,957,244.60x = 20,896,018,892,902,404
  5. Step 5: Solve for x
    x = 20,896,018,892,902,404/209,957,244.60
  6. Step 6: Final answer
    x = 99,525,114.90

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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.