Home / 208,744,705.32-288,059,801.43-115,931,191.87

Finding the Fourth Proportional to 208,744,705.32, 288,059,801.43 and 115,931,191.87

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Solution

The fourth proportional to 208,744,705.32, 288,059,801.43 and 115,931,191.87 is: 159,980,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,705.32 : 288,059,801.43 = 115,931,191.87 : x
  2. Step 2: Convert to fraction form
    208,744,705.32/288,059,801.43 = 115,931,191.87/x
  3. Step 3: Cross multiply
    208,744,705.32x = 288,059,801.43 × 115,931,191.87
  4. Step 4: Simplify right side
    208,744,705.32x = 33,395,116,109,615,432
  5. Step 5: Solve for x
    x = 33,395,116,109,615,432/208,744,705.32
  6. Step 6: Final answer
    x = 159,980,661.83

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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.