Home / 165,688,263.51-248,592,998.21-77,099,084.85

Finding the Fourth Proportional to 165,688,263.51, 248,592,998.21 and 77,099,084.85

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Solution

The fourth proportional to 165,688,263.51, 248,592,998.21 and 77,099,084.85 is: 115,676,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,688,263.51 : 248,592,998.21 = 77,099,084.85 : x
  2. Step 2: Convert to fraction form
    165,688,263.51/248,592,998.21 = 77,099,084.85/x
  3. Step 3: Cross multiply
    165,688,263.51x = 248,592,998.21 × 77,099,084.85
  4. Step 4: Simplify right side
    165,688,263.51x = 19,166,292,661,723,192
  5. Step 5: Solve for x
    x = 19,166,292,661,723,192/165,688,263.51
  6. Step 6: Final answer
    x = 115,676,827.41

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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.