Home / 127,386,128.82-191,047,600.80-54,594,654.24

Finding the Fourth Proportional to 127,386,128.82, 191,047,600.80 and 54,594,654.24

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Solution

The fourth proportional to 127,386,128.82, 191,047,600.80 and 54,594,654.24 is: 81,878,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386,128.82 : 191,047,600.80 = 54,594,654.24 : x
  2. Step 2: Convert to fraction form
    127,386,128.82/191,047,600.80 = 54,594,654.24/x
  3. Step 3: Cross multiply
    127,386,128.82x = 191,047,600.80 × 54,594,654.24
  4. Step 4: Simplify right side
    127,386,128.82x = 10,430,177,709,057,548
  5. Step 5: Solve for x
    x = 10,430,177,709,057,548/127,386,128.82
  6. Step 6: Final answer
    x = 81,878,441.60

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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.