Home / 208,744,705.07-288,059,801.09-115,931,191.62

Finding the Fourth Proportional to 208,744,705.07, 288,059,801.09 and 115,931,191.62

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Solution

The fourth proportional to 208,744,705.07, 288,059,801.09 and 115,931,191.62 is: 159,980,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,705.07 : 288,059,801.09 = 115,931,191.62 : x
  2. Step 2: Convert to fraction form
    208,744,705.07/288,059,801.09 = 115,931,191.62/x
  3. Step 3: Cross multiply
    208,744,705.07x = 288,059,801.09 × 115,931,191.62
  4. Step 4: Simplify right side
    208,744,705.07x = 33,395,115,997,604,216
  5. Step 5: Solve for x
    x = 33,395,115,997,604,216/208,744,705.07
  6. Step 6: Final answer
    x = 159,980,661.48

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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.