Home / 209,957,301.10-314,935,951.65-66,350,133.10

Finding the Fourth Proportional to 209,957,301.10, 314,935,951.65 and 66,350,133.10

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Solution

The fourth proportional to 209,957,301.10, 314,935,951.65 and 66,350,133.10 is: 99,525,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,301.10 : 314,935,951.65 = 66,350,133.10 : x
  2. Step 2: Convert to fraction form
    209,957,301.10/314,935,951.65 = 66,350,133.10/x
  3. Step 3: Cross multiply
    209,957,301.10x = 314,935,951.65 × 66,350,133.10
  4. Step 4: Simplify right side
    209,957,301.10x = 20,896,042,309,952,664
  5. Step 5: Solve for x
    x = 20,896,042,309,952,664/209,957,301.10
  6. Step 6: Final answer
    x = 99,525,199.65

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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.