Home / 139,968,200.55-209,952,300.83-79,502,024.55

Finding the Fourth Proportional to 139,968,200.55, 209,952,300.83 and 79,502,024.55

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Solution

The fourth proportional to 139,968,200.55, 209,952,300.83 and 79,502,024.55 is: 119,253,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,200.55 : 209,952,300.83 = 79,502,024.55 : x
  2. Step 2: Convert to fraction form
    139,968,200.55/209,952,300.83 = 79,502,024.55/x
  3. Step 3: Cross multiply
    139,968,200.55x = 209,952,300.83 × 79,502,024.55
  4. Step 4: Simplify right side
    139,968,200.55x = 16,691,632,974,518,134
  5. Step 5: Solve for x
    x = 16,691,632,974,518,134/139,968,200.55
  6. Step 6: Final answer
    x = 119,253,036.83

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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.