Home / 209,835,263.61-289,567,550.11-115,747,350.50

Finding the Fourth Proportional to 209,835,263.61, 289,567,550.11 and 115,747,350.50

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Solution

The fourth proportional to 209,835,263.61, 289,567,550.11 and 115,747,350.50 is: 159,728,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,835,263.61 : 289,567,550.11 = 115,747,350.50 : x
  2. Step 2: Convert to fraction form
    209,835,263.61/289,567,550.11 = 115,747,350.50/x
  3. Step 3: Cross multiply
    209,835,263.61x = 289,567,550.11 × 115,747,350.50
  4. Step 4: Simplify right side
    209,835,263.61x = 33,516,676,714,598,060
  5. Step 5: Solve for x
    x = 33,516,676,714,598,060/209,835,263.61
  6. Step 6: Final answer
    x = 159,728,522.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.