Home / 206,409,332.58-284,780,751.54-117,086,555.40

Finding the Fourth Proportional to 206,409,332.58, 284,780,751.54 and 117,086,555.40

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Solution

The fourth proportional to 206,409,332.58, 284,780,751.54 and 117,086,555.40 is: 161,543,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,409,332.58 : 284,780,751.54 = 117,086,555.40 : x
  2. Step 2: Convert to fraction form
    206,409,332.58/284,780,751.54 = 117,086,555.40/x
  3. Step 3: Cross multiply
    206,409,332.58x = 284,780,751.54 × 117,086,555.40
  4. Step 4: Simplify right side
    206,409,332.58x = 33,343,997,242,041,848
  5. Step 5: Solve for x
    x = 33,343,997,242,041,848/206,409,332.58
  6. Step 6: Final answer
    x = 161,543,069.91

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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.