Home / 266,779,868.40-368,194,882.32-153,727,364.88

Finding the Fourth Proportional to 266,779,868.40, 368,194,882.32 and 153,727,364.88

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Solution

The fourth proportional to 266,779,868.40, 368,194,882.32 and 153,727,364.88 is: 212,166,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,779,868.40 : 368,194,882.32 = 153,727,364.88 : x
  2. Step 2: Convert to fraction form
    266,779,868.40/368,194,882.32 = 153,727,364.88/x
  3. Step 3: Cross multiply
    266,779,868.40x = 368,194,882.32 × 153,727,364.88
  4. Step 4: Simplify right side
    266,779,868.40x = 56,601,629,021,355,296
  5. Step 5: Solve for x
    x = 56,601,629,021,355,296/266,779,868.40
  6. Step 6: Final answer
    x = 212,166,042.97

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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.