Home / 208,722,300.06-313,071,935.49-85,869,526.98

Finding the Fourth Proportional to 208,722,300.06, 313,071,935.49 and 85,869,526.98

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Solution

The fourth proportional to 208,722,300.06, 313,071,935.49 and 85,869,526.98 is: 128,799,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,722,300.06 : 313,071,935.49 = 85,869,526.98 : x
  2. Step 2: Convert to fraction form
    208,722,300.06/313,071,935.49 = 85,869,526.98/x
  3. Step 3: Cross multiply
    208,722,300.06x = 313,071,935.49 × 85,869,526.98
  4. Step 4: Simplify right side
    208,722,300.06x = 26,883,339,011,239,376
  5. Step 5: Solve for x
    x = 26,883,339,011,239,376/208,722,300.06
  6. Step 6: Final answer
    x = 128,799,553.30

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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.